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101122012001220 = 22357240766695241
BaseRepresentation
bin10110111111100001001101…
…100110101011001111000100
3111021001011120212211211001220
4112333201031212223033010
5101223240340033014340
6555022451101520340
730204552503611410
oct2677411546531704
9437034525754056
10101122012001220
112a247671590511
12b4121592730b0
1344569c33b58c2
141ad848d8a1d40
15ba563796eed0
hex5bf84d9ab3c4

101122012001220 has 48 divisors (see below), whose sum is σ = 323590438405248. Its totient is φ = 23113602743040.

The previous prime is 101122012001173. The next prime is 101122012001237. The reversal of 101122012001220 is 22100210221101.

It is a super-2 number, since 2×1011220120012202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101122012001220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120383347201 + ... + 120383348040.

It is an arithmetic number, because the mean of its divisors is an integer number (6741467466776).

Almost surely, 2101122012001220 is an apocalyptic number.

101122012001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101122012001220 is an abundant number, since it is smaller than the sum of its proper divisors (222468426404028).

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

101122012001220 is a wasteful number, since it uses less digits than its factorization.

101122012001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240766695260 (or 240766695258 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101122012001220 its reverse (22100210221101), we get a palindrome (123222222222321).

The spelling of 101122012001220 in words is "one hundred one trillion, one hundred twenty-two billion, twelve million, one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 240766695241 481533390482 722300085723 963066780964 1203833476205 1444600171446 1685366866687 2407666952410 2889200342892 3370733733374 3611500428615 4815333904820 5056100600061 6741467466748 7223000857230 8426834333435 10112201200122 14446001714460 16853668666870 20224402400244 25280503000305 33707337333740 50561006000610 101122012001220