222001212112112 has 40 divisors (see below), whose sum is σ = 434587020067200. Its totient is φ = 109851130895040.

The previous prime is 222001212112111. The next prime is 222001212112123. The reversal of 222001212112112 is 211211212100222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222001212112111) 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, 41470862 + ... + 46517037.

It is an arithmetic number, because the mean of its divisors is an integer number (10864675501680).

Almost surely, 2^{222001212112112} is an apocalyptic number.

It is an amenable number.

222001212112112 is a deficient number, since it is larger than the sum of its proper divisors (212585807955088).

222001212112112 is a wasteful number, since it uses less digits than its factorization.

222001212112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87989541 (or 87989535 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222001212112112 its reverse (211211212100222), we get a palindrome (433212424212334).

The spelling of 222001212112112 in words is "two hundred twenty-two trillion, one billion, two hundred twelve million, one hundred twelve thousand, one hundred twelve".