21001130023330 has 16 divisors (see below), whose sum is σ = 39445600739904. Its totient is φ = 8035214965360.

The previous prime is 21001130023327. The next prime is 21001130023369. The reversal of 21001130023330 is 3332003110012.

It is a junction number, because it is equal to n+sod(n) for n = 21001130023298 and 21001130023307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45654630256 + ... + 45654630715.

It is an arithmetic number, because the mean of its divisors is an integer number (2465350046244).

Almost surely, 2^{21001130023330} is an apocalyptic number.

21001130023330 is a deficient number, since it is larger than the sum of its proper divisors (18444470716574).

21001130023330 is a wasteful number, since it uses less digits than its factorization.

21001130023330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91309261001.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21001130023330 its reverse (3332003110012), we get a palindrome (24333133133342).

The spelling of 21001130023330 in words is "twenty-one trillion, one billion, one hundred thirty million, twenty-three thousand, three hundred thirty".