112111212100122 has 12 divisors (see below), whose sum is σ = 242907626216970. Its totient is φ = 37370404033368.

The previous prime is 112111212100087. The next prime is 112111212100123. The reversal of 112111212100122 is 221001212111211.

It is a happy number.

112111212100122 is a `hidden beast` number, since 1 + 1 + 211 + 121 + 210 + 0 + 122 = 666.

It can be written as a sum of positive squares in only one way, i.e., 97060544428761 + 15050667671361 = 9851931^2 + 3879519^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6228400672229 = 112111212100122 / (1 + 1 + 2 + 1 + 1 + 1 + 2 + 1 + 2 + 1 + 0 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 112111212100095 and 112111212100104.

It is not an unprimeable number, because it can be changed into a prime (112111212100123) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3114200336097 + ... + 3114200336132.

Almost surely, 2^{112111212100122} is an apocalyptic number.

112111212100122 is an abundant number, since it is smaller than the sum of its proper divisors (130796414116848).

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

112111212100122 is a wasteful number, since it uses less digits than its factorization.

112111212100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6228400672237 (or 6228400672234 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112111212100122 its reverse (221001212111211), we get a palindrome (333112424211333).

The spelling of 112111212100122 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred twelve million, one hundred thousand, one hundred twenty-two".