21375055104322 has 16 divisors (see below), whose sum is σ = 32068753377120. Its totient is φ = 10685470818208.

The previous prime is 21375055104301. The next prime is 21375055104331. The reversal of 21375055104322 is 22340155057312.

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, 437908254 + ... + 437957062.

It is an arithmetic number, because the mean of its divisors is an integer number (2004297086070).

Almost surely, 2^{21375055104322} is an apocalyptic number.

21375055104322 is a deficient number, since it is larger than the sum of its proper divisors (10693698272798).

21375055104322 is a wasteful number, since it uses less digits than its factorization.

21375055104322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86465.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 21375055104322 in words is "twenty-one trillion, three hundred seventy-five billion, fifty-five million, one hundred four thousand, three hundred twenty-two".