21296057022 has 12 divisors (see below), whose sum is σ = 46141456920. Its totient is φ = 7098685668.

The previous prime is 21296056931. The next prime is 21296057023. The reversal of 21296057022 is 22075069212.

It is a happy number.

21296057022 is a `hidden beast` number, since 2 + 1 + 2 + 9 + 60 + 570 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21296057023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 591557122 + ... + 591557157.

It is an arithmetic number, because the mean of its divisors is an integer number (3845121410).

Almost surely, 2^21296057022 is an apocalyptic number.

21296057022 is an abundant number, since it is smaller than the sum of its proper divisors (24845399898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21296057022 is a wasteful number, since it uses less digits than its factorization.

21296057022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183114287 (or 1183114284 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 21296057022 in words is "twenty-one billion, two hundred ninety-six million, fifty-seven thousand, twenty-two".