21011023303332 has 48 divisors (see below), whose sum is σ = 49043534303232. Its totient is φ = 7001130169120.

The previous prime is 21011023303327. The next prime is 21011023303367. The reversal of 21011023303332 is 23330332011012.

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, 434025073 + ... + 434073479.

It is an arithmetic number, because the mean of its divisors is an integer number (1021740297984).

Almost surely, 2^{21011023303332} is an apocalyptic number.

It is an amenable number.

21011023303332 is an abundant number, since it is smaller than the sum of its proper divisors (28032510999900).

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

21011023303332 is a wasteful number, since it uses less digits than its factorization.

21011023303332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60808 (or 60806 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21011023303332 its reverse (23330332011012), we get a palindrome (44341355314344).

The spelling of 21011023303332 in words is "twenty-one trillion, eleven billion, twenty-three million, three hundred three thousand, three hundred thirty-two".