222111212210112 has 56 divisors (see below), whose sum is σ = 595719512694736. Its totient is φ = 73022864283648.

The previous prime is 222111212210077. The next prime is 222111212210117. The reversal of 222111212210112 is 211012212111222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222111212210117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7923473863 + ... + 7923501894.

Almost surely, 2^{222111212210112} is an apocalyptic number.

It is an amenable number.

222111212210112 is an abundant number, since it is smaller than the sum of its proper divisors (373608300484624).

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

222111212210112 is a wasteful number, since it uses less digits than its factorization.

222111212210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15846975845 (or 15846975835 counting only the distinct ones).

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

Adding to 222111212210112 its reverse (211012212111222), we get a palindrome (433123424321334).

The spelling of 222111212210112 in words is "two hundred twenty-two trillion, one hundred eleven billion, two hundred twelve million, two hundred ten thousand, one hundred twelve".