221031330122999 has 4 divisors (see below), whose sum is σ = 241125087406920. Its totient is φ = 200937572839080.

The previous prime is 221031330122969. The next prime is 221031330123001. The reversal of 221031330122999 is 999221033130122.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-221031330122999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221031330122909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10046878641944 + ... + 10046878641965.

It is an arithmetic number, because the mean of its divisors is an integer number (60281271851730).

Almost surely, 2^{221031330122999} is an apocalyptic number.

221031330122999 is a deficient number, since it is larger than the sum of its proper divisors (20093757283921).

221031330122999 is a wasteful number, since it uses less digits than its factorization.

221031330122999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20093757283920.

The product of its (nonzero) digits is 314928, while the sum is 47.

The spelling of 221031330122999 in words is "two hundred twenty-one trillion, thirty-one billion, three hundred thirty million, one hundred twenty-two thousand, nine hundred ninety-nine".