21110002332 has 48 divisors (see below), whose sum is σ = 50400420000. Its totient is φ = 6874824960.

The previous prime is 21110002279. The next prime is 21110002351. The reversal of 21110002332 is 23320001112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12294 + ... + 205842.

It is an arithmetic number, because the mean of its divisors is an integer number (1050008750).

Almost surely, 2^21110002332 is an apocalyptic number.

It is an amenable number.

21110002332 is an abundant number, since it is smaller than the sum of its proper divisors (29290417668).

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

21110002332 is a wasteful number, since it uses less digits than its factorization.

21110002332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193766 (or 193764 counting only the distinct ones).

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

Adding to 21110002332 its reverse (23320001112), we get a palindrome (44430003444).

The spelling of 21110002332 in words is "twenty-one billion, one hundred ten million, two thousand, three hundred thirty-two".