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101112102220 = 22516093142079
BaseRepresentation
bin101111000101011000…
…0000011110101001100
3100122222200020222200211
41132022300003311030
53124034144232340
6114241131132204
710206436455013
oct1361260036514
9318880228624
10101112102220
1139977166a48
121771a2a4064
1396c5039aac
144c72a2da7a
15296bbb15ea
hex178ac03d4c

101112102220 has 24 divisors (see below), whose sum is σ = 212467449600. Its totient is φ = 40419691392.

The previous prime is 101112102173. The next prime is 101112102239. The reversal of 101112102220 is 22201211101.

It is a self number, because there is not a number n which added to its sum of digits gives 101112102220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1538860 + ... + 1603219.

It is an arithmetic number, because the mean of its divisors is an integer number (8852810400).

Almost surely, 2101112102220 is an apocalyptic number.

101112102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101112102220 is an abundant number, since it is smaller than the sum of its proper divisors (111355347380).

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

101112102220 is a wasteful number, since it uses less digits than its factorization.

101112102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143697 (or 3143695 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101112102220 its reverse (22201211101), we get a palindrome (123313313321).

The spelling of 101112102220 in words is "one hundred one billion, one hundred twelve million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1609 3218 6436 8045 16090 32180 3142079 6284158 12568316 15710395 31420790 62841580 5055605111 10111210222 20222420444 25278025555 50556051110 101112102220