21354622701032 has 8 divisors (see below), whose sum is σ = 40039917564450. Its totient is φ = 10677311350512.

The previous prime is 21354622701029. The next prime is 21354622701059. The reversal of 21354622701032 is 23010722645312.

It can be written as a sum of positive squares in only one way, i.e., 14689788591076 + 6664834109956 = 3832726^2 + 2581634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334663918807 + ... + 1334663918822.

Almost surely, 2^{21354622701032} is an apocalyptic number.

It is an amenable number.

21354622701032 is a deficient number, since it is larger than the sum of its proper divisors (18685294863418).

21354622701032 is a wasteful number, since it uses less digits than its factorization.

21354622701032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669327837635 (or 2669327837631 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 21354622701032 in words is "twenty-one trillion, three hundred fifty-four billion, six hundred twenty-two million, seven hundred one thousand, thirty-two".