202112112222 has 40 divisors (see below), whose sum is σ = 457364849832. Its totient is φ = 66703662000.

The previous prime is 202112112179. The next prime is 202112112227. The reversal of 202112112222 is 222211211202.

It is a happy number.

202112112222 is a `hidden beast` number, since 20 + 211 + 211 + 2 + 222 = 666.

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 = 202112112195 and 202112112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112112227) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6159904 + ... + 6192627.

Almost surely, 2^202112112222 is an apocalyptic number.

202112112222 is an abundant number, since it is smaller than the sum of its proper divisors (255252737610).

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

202112112222 is a wasteful number, since it uses less digits than its factorization.

202112112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12352646 (or 12352637 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202112112222 its reverse (222211211202), we get a palindrome (424323323424).

The spelling of 202112112222 in words is "two hundred two billion, one hundred twelve million, one hundred twelve thousand, two hundred twenty-two".