21010100232330 has 96 divisors (see below), whose sum is σ = 62728720367040. Its totient is φ = 4825286173440.

The previous prime is 21010100232323. The next prime is 21010100232367. The reversal of 21010100232330 is 3323200101012.

21010100232330 is a `hidden beast` number, since 2 + 1 + 0 + 1 + 0 + 100 + 232 + 330 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 558463387 + ... + 558501006.

It is an arithmetic number, because the mean of its divisors is an integer number (653424170490).

Almost surely, 2^{21010100232330} is an apocalyptic number.

21010100232330 is an abundant number, since it is smaller than the sum of its proper divisors (41718620134710).

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

21010100232330 is a wasteful number, since it uses less digits than its factorization.

21010100232330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116964436 (or 1116964433 counting only the distinct ones).

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

Adding to 21010100232330 its reverse (3323200101012), we get a palindrome (24333300333342).

The spelling of 21010100232330 in words is "twenty-one trillion, ten billion, one hundred million, two hundred thirty-two thousand, three hundred thirty".