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102220111112020 = 22511464636868691
BaseRepresentation
bin10111001111011111111001…
…011010010110011101010100
3111101221010222022001102000221
4113033133321122112131110
5101344233241421041040
61001223134252444124
730350105434214056
oct2717377132263524
9441833868042027
10102220111112020
112a63033a9392a0
12b56ab38479644
134506413408665
141b356a070d8d6
15bc3ea65d974a
hex5cf7f9696754

102220111112020 has 24 divisors (see below), whose sum is σ = 234176981820768. Its totient is φ = 37170949495200.

The previous prime is 102220111111961. The next prime is 102220111112033. The reversal of 102220111112020 is 20211111022201.

102220111112020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1022201111120202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102220111111985 and 102220111112003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232318434126 + ... + 232318434565.

It is an arithmetic number, because the mean of its divisors is an integer number (9757374242532).

Almost surely, 2102220111112020 is an apocalyptic number.

102220111112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220111112020 is an abundant number, since it is smaller than the sum of its proper divisors (131956870708748).

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

102220111112020 is a wasteful number, since it uses less digits than its factorization.

102220111112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464636868711 (or 464636868709 counting only the distinct ones).

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

Adding to 102220111112020 its reverse (20211111022201), we get a palindrome (122431222134221).

The spelling of 102220111112020 in words is "one hundred two trillion, two hundred twenty billion, one hundred eleven million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 464636868691 929273737382 1858547474764 2323184343455 4646368686910 5111005555601 9292737373820 10222011111202 20444022222404 25555027778005 51110055556010 102220111112020