21110012332 has 6 divisors (see below), whose sum is σ = 36942521588. Its totient is φ = 10555006164.

The previous prime is 21110012299. The next prime is 21110012347. The reversal of 21110012332 is 23321001112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2638751538 + ... + 2638751545.

Almost surely, 2^21110012332 is an apocalyptic number.

It is an amenable number.

21110012332 is a deficient number, since it is larger than the sum of its proper divisors (15832509256).

21110012332 is a wasteful number, since it uses less digits than its factorization.

21110012332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277503087 (or 5277503085 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21110012332 its reverse (23321001112), we get a palindrome (44431013444).

The spelling of 21110012332 in words is "twenty-one billion, one hundred ten million, twelve thousand, three hundred thirty-two".