112121212100022 has 40 divisors (see below), whose sum is σ = 254984337547896. Its totient is φ = 36815920387488.

The previous prime is 112121212100011. The next prime is 112121212100069. The reversal of 112121212100022 is 220001212121211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112121212099968 and 112121212100004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5164961143 + ... + 5164982850.

Almost surely, 2^{112121212100022} is an apocalyptic number.

112121212100022 is an abundant number, since it is smaller than the sum of its proper divisors (142863125447874).

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

112121212100022 is a wasteful number, since it uses less digits than its factorization.

112121212100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10329944074 (or 10329944065 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112121212100022 its reverse (220001212121211), we get a palindrome (332122424221233).

The spelling of 112121212100022 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twelve million, one hundred thousand, twenty-two".