21321100023022 has 16 divisors (see below), whose sum is σ = 31989951100800. Its totient is φ = 10657783194552.

The previous prime is 21321100022983. The next prime is 21321100023137. The reversal of 21321100023022 is 22032000112312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366949729 + ... + 367007827.

It is an arithmetic number, because the mean of its divisors is an integer number (1999371943800).

Almost surely, 2^{21321100023022} is an apocalyptic number.

21321100023022 is a deficient number, since it is larger than the sum of its proper divisors (10668851077778).

21321100023022 is a wasteful number, since it uses less digits than its factorization.

21321100023022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102567.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21321100023022 its reverse (22032000112312), we get a palindrome (43353100135334).

The spelling of 21321100023022 in words is "twenty-one trillion, three hundred twenty-one billion, one hundred million, twenty-three thousand, twenty-two".