21010032002330 has 32 divisors (see below), whose sum is σ = 43222558780800. Its totient is φ = 7203119290560.

The previous prime is 21010032002273. The next prime is 21010032002341. The reversal of 21010032002330 is 3320023001012.

It is a junction number, because it is equal to n+sod(n) for n = 21010032002299 and 21010032002308.

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, 5083505 + ... + 8237844.

It is an arithmetic number, because the mean of its divisors is an integer number (1350704961900).

Almost surely, 2^{21010032002330} is an apocalyptic number.

21010032002330 is an abundant number, since it is smaller than the sum of its proper divisors (22212526778470).

21010032002330 is a wasteful number, since it uses less digits than its factorization.

21010032002330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13343894.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21010032002330 its reverse (3320023001012), we get a palindrome (24330055003342).

The spelling of 21010032002330 in words is "twenty-one trillion, ten billion, thirty-two million, two thousand, three hundred thirty".