221124254423152 has 20 divisors (see below), whose sum is σ = 432587740452400. Its totient is φ = 109488708499968.

The previous prime is 221124254423143. The next prime is 221124254423179. The reversal of 221124254423152 is 251324452421122.

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, 67088667777 + ... + 67088671072.

It is an arithmetic number, because the mean of its divisors is an integer number (21629387022620).

Almost surely, 2^{221124254423152} is an apocalyptic number.

It is an amenable number.

221124254423152 is a deficient number, since it is larger than the sum of its proper divisors (211463486029248).

221124254423152 is a wasteful number, since it uses less digits than its factorization.

221124254423152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134177338960 (or 134177338954 counting only the distinct ones).

The product of its digits is 307200, while the sum is 40.

The spelling of 221124254423152 in words is "two hundred twenty-one trillion, one hundred twenty-four billion, two hundred fifty-four million, four hundred twenty-three thousand, one hundred fifty-two".