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112120211020020 = 22357266952883381
BaseRepresentation
bin11001011111100100000101…
…010110011001100011110100
3112200222120212021122011121220
4121133210011112121203310
5104143434143010120040
61034243151444110340
732421263231033010
oct3137440526314364
9480876767564556
10112120211020020
11327a7a07175605
12106a97939953b0
134a73b766650b8
141d9890bb87540
15ce6785e7a2d0
hex65f9055998f4

112120211020020 has 48 divisors (see below), whose sum is σ = 358784675265408. Its totient is φ = 25627476804480.

The previous prime is 112120211019977. The next prime is 112120211020039. The reversal of 112120211020020 is 20020112021211.

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

It is a congruent number.

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, 133476441271 + ... + 133476442110.

It is an arithmetic number, because the mean of its divisors is an integer number (7474680734696).

Almost surely, 2112120211020020 is an apocalyptic number.

112120211020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120211020020 is an abundant number, since it is smaller than the sum of its proper divisors (246664464245388).

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

112120211020020 is a wasteful number, since it uses less digits than its factorization.

112120211020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266952883400 (or 266952883398 counting only the distinct ones).

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

Adding to 112120211020020 its reverse (20020112021211), we get a palindrome (132140323041231).

The spelling of 112120211020020 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred eleven million, twenty thousand, 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 266952883381 533905766762 800858650143 1067811533524 1334764416905 1601717300286 1868670183667 2669528833810 3203434600572 3737340367334 4004293250715 5339057667620 5606010551001 7474680734668 8008586501430 9343350918335 11212021102002 16017173002860 18686701836670 22424042204004 28030052755005 37373403673340 56060105510010 112120211020020