21011000032332 has 144 divisors (see below), whose sum is σ = 53921135268000. Its totient is φ = 6897596350464.

The previous prime is 21011000032331. The next prime is 21011000032339. The reversal of 21011000032332 is 23323000011012.

21011000032332 is a `hidden beast` number, since 210 + 1 + 100 + 0 + 0 + 323 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (21011000032331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1556478919 + ... + 1556492417.

It is an arithmetic number, because the mean of its divisors is an integer number (374452328250).

Almost surely, 2^{21011000032332} is an apocalyptic number.

It is an amenable number.

21011000032332 is an abundant number, since it is smaller than the sum of its proper divisors (32910135235668).

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

21011000032332 is a wasteful number, since it uses less digits than its factorization.

21011000032332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15752 (or 15747 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21011000032332 its reverse (23323000011012), we get a palindrome (44334000043344).

The spelling of 21011000032332 in words is "twenty-one trillion, eleven billion, thirty-two thousand, three hundred thirty-two".