222001120022112 has 72 divisors (see below), whose sum is σ = 664542826398360. Its totient is φ = 70105616847360.

The previous prime is 222001120022051. The next prime is 222001120022141. The reversal of 222001120022112 is 211220021100222.

It is a happy number.

222001120022112 is a `hidden beast` number, since 2 + 220 + 0 + 11 + 200 + 221 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20285184589 + ... + 20285195532.

It is an arithmetic number, because the mean of its divisors is an integer number (9229761477755).

Almost surely, 2^{222001120022112} is an apocalyptic number.

It is an amenable number.

222001120022112 is an abundant number, since it is smaller than the sum of its proper divisors (442541706376248).

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

222001120022112 is a wasteful number, since it uses less digits than its factorization.

222001120022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40570380156 (or 40570380145 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222001120022112 its reverse (211220021100222), we get a palindrome (433221141122334).

The spelling of 222001120022112 in words is "two hundred twenty-two trillion, one billion, one hundred twenty million, twenty-two thousand, one hundred twelve".