2221215204052 has 12 divisors (see below), whose sum is σ = 4186136346196. Its totient is φ = 1025176248000.

The previous prime is 2221215204017. The next prime is 2221215204133. The reversal of 2221215204052 is 2504025121222.

It can be written as a sum of positive squares in 2 ways, for example, as 424746779076 + 1796468424976 = 651726^2 + 1340324^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2221215204052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21357838449 + ... + 21357838552.

Almost surely, 2^{2221215204052} is an apocalyptic number.

It is an amenable number.

2221215204052 is a deficient number, since it is larger than the sum of its proper divisors (1964921142144).

2221215204052 is a wasteful number, since it uses less digits than its factorization.

2221215204052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42715677018 (or 42715677016 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 2221215204052 in words is "two trillion, two hundred twenty-one billion, two hundred fifteen million, two hundred four thousand, fifty-two".