222120002011992 has 64 divisors (see below), whose sum is σ = 634635086469120. Its totient is φ = 63462206788608.

The previous prime is 222120002011961. The next prime is 222120002011993. The reversal of 222120002011992 is 299110200021222.

It is a super-2 number, since 2×222120002011992² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120002011993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9767368 + ... + 23230184.

It is an arithmetic number, because the mean of its divisors is an integer number (9916173226080).

Almost surely, 2^{222120002011992} is an apocalyptic number.

It is an amenable number.

222120002011992 is an abundant number, since it is smaller than the sum of its proper divisors (412515084457128).

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

222120002011992 is a wasteful number, since it uses less digits than its factorization.

222120002011992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13561040 (or 13561036 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 222120002011992 in words is "two hundred twenty-two trillion, one hundred twenty billion, two million, eleven thousand, nine hundred ninety-two".