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101101110220 = 225112919979631
BaseRepresentation
bin101111000101000011…
…0001000001111001100
3100122221220120112111201
41132022012020033030
53124023341011340
6114240055355244
710206244154245
oct1361206101714
9318856515451
10101101110220
1139970a39550
1217716682b24
1396c298b856
144c713abccc
15296ac3e79a
hex178a1883cc

101101110220 has 96 divisors (see below), whose sum is σ = 240807168000. Its totient is φ = 35317497600.

The previous prime is 101101110181. The next prime is 101101110277. The reversal of 101101110220 is 22011101101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 101101110197 and 101101110206.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1229805 + ... + 1309435.

It is an arithmetic number, because the mean of its divisors is an integer number (2508408000).

Almost surely, 2101101110220 is an apocalyptic number.

101101110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101101110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120403584000).

101101110220 is an abundant number, since it is smaller than the sum of its proper divisors (139706057780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101101110220 is a wasteful number, since it uses less digits than its factorization.

101101110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79879 (or 79877 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101101110220 its reverse (22011101101), we get a palindrome (123112211321).

The spelling of 101101110220 in words is "one hundred one billion, one hundred one million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 29 44 55 58 110 116 145 199 220 290 319 398 580 638 796 995 1276 1595 1990 2189 3190 3980 4378 5771 6380 8756 10945 11542 21890 23084 28855 43780 57710 63481 79631 115420 126962 159262 253924 317405 318524 398155 634810 796310 875941 1269620 1592620 1751882 2309299 3503764 4379705 4618598 8759410 9237196 11546495 15846569 17518820 23092990 25402289 31693138 46185980 50804578 63386276 79232845 101609156 127011445 158465690 174312259 254022890 316931380 348624518 459550501 508045780 697249036 871561295 919101002 1743122590 1838202004 2297752505 3486245180 4595505010 5055055511 9191010020 10110111022 20220222044 25275277555 50550555110 101101110220