221002130992 has 20 divisors (see below), whose sum is σ = 446808656880. Its totient is φ = 105696671168.

The previous prime is 221002130983. The next prime is 221002131019. The reversal of 221002130992 is 299031200122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300274267 + ... + 300275002.

It is an arithmetic number, because the mean of its divisors is an integer number (22340432844).

Almost surely, 2^221002130992 is an apocalyptic number.

It is an amenable number.

221002130992 is an abundant number, since it is smaller than the sum of its proper divisors (225806525888).

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

221002130992 is a wasteful number, since it uses less digits than its factorization.

221002130992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600549300 (or 600549294 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 221002130992 in words is "two hundred twenty-one billion, two million, one hundred thirty thousand, nine hundred ninety-two".