21303121033232 has 20 divisors (see below), whose sum is σ = 41275273737216. Its totient is φ = 10651437488160.

The previous prime is 21303121033223. The next prime is 21303121033241. The reversal of 21303121033232 is 23233012130312.

It is an interprime number because it is at equal distance from previous prime (21303121033223) and next prime (21303121033241).

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, 6252608 + ... + 9038879.

Almost surely, 2^{21303121033232} is an apocalyptic number.

It is an amenable number.

21303121033232 is a deficient number, since it is larger than the sum of its proper divisors (19972152703984).

21303121033232 is a wasteful number, since it uses less digits than its factorization.

21303121033232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15378566 (or 15378560 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 21303121033232 its reverse (23233012130312), we get a palindrome (44536133163544).

The spelling of 21303121033232 in words is "twenty-one trillion, three hundred three billion, one hundred twenty-one million, thirty-three thousand, two hundred thirty-two".