21010023001030 has 32 divisors (see below), whose sum is σ = 43222797760320. Its totient is φ = 7203073288320.

The previous prime is 21010023000973. The next prime is 21010023001063. The reversal of 21010023001030 is 3010032001012.

It is a self number, because there is not a number n which added to its sum of digits gives 21010023001030.

It is a congruent number.

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, 6165825 + ... + 8946364.

It is an arithmetic number, because the mean of its divisors is an integer number (1350712430010).

Almost surely, 2^{21010023001030} is an apocalyptic number.

21010023001030 is an abundant number, since it is smaller than the sum of its proper divisors (22212774759290).

21010023001030 is a wasteful number, since it uses less digits than its factorization.

21010023001030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15132064.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21010023001030 its reverse (3010032001012), we get a palindrome (24020055002042).

The spelling of 21010023001030 in words is "twenty-one trillion, ten billion, twenty-three million, one thousand, thirty".