21014370922 has 16 divisors (see below), whose sum is σ = 33499853640. Its totient is φ = 9852348928.

The previous prime is 21014370919. The next prime is 21014370929. The reversal of 21014370922 is 22907341012.

It can be written as a sum of positive squares in 4 ways, for example, as 17452787881 + 3561583041 = 132109^2 + 59679^2 .

It is not an unprimeable number, because it can be changed into a prime (21014370929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139683 + ... + 1157974.

Almost surely, 2^21014370922 is an apocalyptic number.

21014370922 is a deficient number, since it is larger than the sum of its proper divisors (12485482718).

21014370922 is a wasteful number, since it uses less digits than its factorization.

21014370922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297945.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 21014370922 in words is "twenty-one billion, fourteen million, three hundred seventy thousand, nine hundred twenty-two".