222210121112 has 32 divisors (see below), whose sum is σ = 476179727520. Its totient is φ = 95229872640.

The previous prime is 222210121093. The next prime is 222210121123. The reversal of 222210121112 is 211121012222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3183062 + ... + 3252122.

It is an arithmetic number, because the mean of its divisors is an integer number (14880616485).

Almost surely, 2^222210121112 is an apocalyptic number.

It is an amenable number.

222210121112 is an abundant number, since it is smaller than the sum of its proper divisors (253969606408).

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

222210121112 is a wasteful number, since it uses less digits than its factorization.

222210121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126531 (or 126527 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222210121112 its reverse (211121012222), we get a palindrome (433331133334).

The spelling of 222210121112 in words is "two hundred twenty-two billion, two hundred ten million, one hundred twenty-one thousand, one hundred twelve".