222122111122012 has 12 divisors (see below), whose sum is σ = 388870877535616. Its totient is φ = 111016146111840.

The previous prime is 222122111122007. The next prime is 222122111122099. The reversal of 222122111122012 is 210221111221222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11227351164 + ... + 11227370947.

Almost surely, 2^{222122111122012} is an apocalyptic number.

It is an amenable number.

222122111122012 is a deficient number, since it is larger than the sum of its proper divisors (166748766413604).

222122111122012 is a wasteful number, since it uses less digits than its factorization.

222122111122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22454724588 (or 22454724586 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 222122111122012 its reverse (210221111221222), we get a palindrome (432343222343234).

The spelling of 222122111122012 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred eleven million, one hundred twenty-two thousand, twelve".