222120111112212 has 36 divisors (see below), whose sum is σ = 532666416972480. Its totient is φ = 72038954949984.

The previous prime is 222120111112177. The next prime is 222120111112241. The reversal of 222120111112212 is 212211111021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6760396012 + ... + 6760428867.

Almost surely, 2^{222120111112212} is an apocalyptic number.

It is an amenable number.

222120111112212 is an abundant number, since it is smaller than the sum of its proper divisors (310546305860268).

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

222120111112212 is a wasteful number, since it uses less digits than its factorization.

222120111112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13520824960 (or 13520824921 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 222120111112212 its reverse (212211111021222), we get a palindrome (434331222133434).

The spelling of 222120111112212 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred eleven million, one hundred twelve thousand, two hundred twelve".