21112000332 has 48 divisors (see below), whose sum is σ = 50225155680. Its totient is φ = 6900761088.

The previous prime is 21112000313. The next prime is 21112000333. The reversal of 21112000332 is 23300021112.

It is a super-2 number, since 2×21112000332² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21112000333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81894 + ... + 221202.

It is an arithmetic number, because the mean of its divisors is an integer number (1046357410).

Almost surely, 2^21112000332 is an apocalyptic number.

It is an amenable number.

21112000332 is an abundant number, since it is smaller than the sum of its proper divisors (29113155348).

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

21112000332 is a wasteful number, since it uses less digits than its factorization.

21112000332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139562 (or 139560 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21112000332 its reverse (23300021112), we get a palindrome (44412021444).

The spelling of 21112000332 in words is "twenty-one billion, one hundred twelve million, three hundred thirty-two", and thus it is an aban number.