112100122222220 has 48 divisors (see below), whose sum is σ = 259353874182816. Its totient is φ = 40360080000000.

The previous prime is 112100122222111. The next prime is 112100122222243. The reversal of 112100122222220 is 22222221001211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 112100122222192 and 112100122222201.

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 15 ways as a sum of consecutive naturals, for example, 2522482781 + ... + 2522527220.

It is an arithmetic number, because the mean of its divisors is an integer number (5403205712142).

Almost surely, 2^{112100122222220} is an apocalyptic number.

112100122222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112100122222220 is an abundant number, since it is smaller than the sum of its proper divisors (147253751960596).

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

112100122222220 is a wasteful number, since it uses less digits than its factorization.

112100122222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045010122 (or 5045010120 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 112100122222220 its reverse (22222221001211), we get a palindrome (134322343223431).

The spelling of 112100122222220 in words is "one hundred twelve trillion, one hundred billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty".