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102110021112220 = 22511464136459601
BaseRepresentation
bin10111001101111001010111…
…100010010101000110011100
3111101112121210221021222010221
4113031321113202111012130
5101340432310401042340
61001100410210011124
730336130340521402
oct2715712742250634
9441477727258127
10102110021112220
112a598686a07a90
12b551733576aa4
1344c8c1a389944
141b302195bd472
15bc11b166544a
hex5cde5789519c

102110021112220 has 24 divisors (see below), whose sum is σ = 233924775639408. Its totient is φ = 37130916768000.

The previous prime is 102110021112181. The next prime is 102110021112221. The reversal of 102110021112220 is 22211120011201.

It is a junction number, because it is equal to n+sod(n) for n = 102110021112194 and 102110021112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102110021112221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232068229581 + ... + 232068230020.

It is an arithmetic number, because the mean of its divisors is an integer number (9746865651642).

Almost surely, 2102110021112220 is an apocalyptic number.

102110021112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102110021112220 is an abundant number, since it is smaller than the sum of its proper divisors (131814754527188).

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

102110021112220 is a wasteful number, since it uses less digits than its factorization.

102110021112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464136459621 (or 464136459619 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102110021112220 its reverse (22211120011201), we get a palindrome (124321141123421).

The spelling of 102110021112220 in words is "one hundred two trillion, one hundred ten billion, twenty-one million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 464136459601 928272919202 1856545838404 2320682298005 4641364596010 5105501055611 9282729192020 10211002111222 20422004222444 25527505278055 51055010556110 102110021112220