222120121021192 has 16 divisors (see below), whose sum is σ = 429909911654400. Its totient is φ = 107477477913360.

The previous prime is 222120121021187. The next prime is 222120121021193. The reversal of 222120121021192 is 291120121021222.

It is a self number, because there is not a number n which added to its sum of digits gives 222120121021192.

It is not an unprimeable number, because it can be changed into a prime (222120121021193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447822824392 + ... + 447822824887.

It is an arithmetic number, because the mean of its divisors is an integer number (26869369478400).

Almost surely, 2^{222120121021192} is an apocalyptic number.

It is an amenable number.

222120121021192 is a deficient number, since it is larger than the sum of its proper divisors (207789790633208).

222120121021192 is a wasteful number, since it uses less digits than its factorization.

222120121021192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895645649316 (or 895645649312 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 222120121021192 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, one hundred ninety-two".