21122369088 has 28 divisors (see below), whose sum is σ = 55886268720. Its totient is φ = 7040789632.

The previous prime is 21122369077. The next prime is 21122369113. The reversal of 21122369088 is 88096322112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55005978 + ... + 55006361.

Almost surely, 2^21122369088 is an apocalyptic number.

It is an amenable number.

21122369088 is an abundant number, since it is smaller than the sum of its proper divisors (34763899632).

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

21122369088 is a wasteful number, since it uses less digits than its factorization.

21122369088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110012354 (or 110012344 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 21122369088 in words is "twenty-one billion, one hundred twenty-two million, three hundred sixty-nine thousand, eighty-eight".