222211121011002 has 64 divisors (see below), whose sum is σ = 497176382102400. Its totient is φ = 73565354373120.

The previous prime is 222211121010979. The next prime is 222211121011031. The reversal of 222211121011002 is 200110121112222.

222211121011002 is a `hidden beast` number, since 222 + 211 + 121 + 0 + 110 + 0 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7265928 + ... + 22298339.

It is an arithmetic number, because the mean of its divisors is an integer number (7768380970350).

Almost surely, 2^{222211121011002} is an apocalyptic number.

222211121011002 is an abundant number, since it is smaller than the sum of its proper divisors (274965261091398).

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

222211121011002 is a wasteful number, since it uses less digits than its factorization.

222211121011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29565228 (or 29565222 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222211121011002 its reverse (200110121112222), we get a palindrome (422321242123224).

The spelling of 222211121011002 in words is "two hundred twenty-two trillion, two hundred eleven billion, one hundred twenty-one million, eleven thousand, two".