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112111110021020 = 225114409411155701
BaseRepresentation
bin11001011111011011100110…
…111000110101111110011100
3112200221201101000111112000212
4121133123212320311332130
5104143312023131133040
61034235044414111552
732420521550566145
oct3137334670657634
9480851330445025
10112111110021020
11327a4066970330
12106a7a73aab5b8
134a73055cb16a6
141d982c71a0acc
15ce6401e9cd65
hex65f6e6e35f9c

112111110021020 has 48 divisors (see below), whose sum is σ = 256837165847136. Its totient is φ = 40767548640000.

The previous prime is 112111110020999. The next prime is 112111110021059. The reversal of 112111110021020 is 20120011111211.

It is a junction number, because it is equal to n+sod(n) for n = 112111110020986 and 112111110021004.

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, 96429170 + ... + 97584870.

It is an arithmetic number, because the mean of its divisors is an integer number (5350774288482).

Almost surely, 2112111110021020 is an apocalyptic number.

112111110021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112111110021020 is an abundant number, since it is smaller than the sum of its proper divisors (144726055826116).

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

112111110021020 is a wasteful number, since it uses less digits than its factorization.

112111110021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596662 (or 1596660 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 112111110021020 its reverse (20120011111211), we get a palindrome (132231121132231).

The spelling of 112111110021020 in words is "one hundred twelve trillion, one hundred eleven billion, one hundred ten million, twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 440941 881882 1155701 1763764 2204705 2311402 4409410 4622804 4850351 5778505 8818820 9700702 11557010 12712711 19401404 23114020 24251755 25425422 48503510 50850844 63563555 97007020 127127110 254254220 509595954641 1019191909282 2038383818564 2547979773205 5095959546410 5605555501051 10191919092820 11211111002102 22422222004204 28027777505255 56055555010510 112111110021020