21033120211232 has 24 divisors (see below), whose sum is σ = 41495404204800. Its totient is φ = 10494604857664.

The previous prime is 21033120211217. The next prime is 21033120211253. The reversal of 21033120211232 is 23211202133012.

It is a junction number, because it is equal to n+sod(n) for n = 21033120211198 and 21033120211207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686085932 + ... + 686116587.

It is an arithmetic number, because the mean of its divisors is an integer number (1728975175200).

Almost surely, 2^{21033120211232} is an apocalyptic number.

It is an amenable number.

21033120211232 is a deficient number, since it is larger than the sum of its proper divisors (20462283993568).

21033120211232 is a wasteful number, since it uses less digits than its factorization.

21033120211232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372203008 (or 1372203000 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21033120211232 its reverse (23211202133012), we get a palindrome (44244322344244).

The spelling of 21033120211232 in words is "twenty-one trillion, thirty-three billion, one hundred twenty million, two hundred eleven thousand, two hundred thirty-two".