221412615042604 has 12 divisors (see below), whose sum is σ = 388248573475000. Its totient is φ = 110484451192608.

The previous prime is 221412615042601. The next prime is 221412615042679. The reversal of 221412615042604 is 406240516214122.

It is a super-2 number, since 2×221412615042604² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221412615042601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55464079929 + ... + 55464083920.

Almost surely, 2^{221412615042604} is an apocalyptic number.

It is an amenable number.

221412615042604 is a deficient number, since it is larger than the sum of its proper divisors (166835958432396).

221412615042604 is a wasteful number, since it uses less digits than its factorization.

221412615042604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110928164352 (or 110928164350 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 221412615042604 in words is "two hundred twenty-one trillion, four hundred twelve billion, six hundred fifteen million, forty-two thousand, six hundred four".