21023010300213 has 64 divisors (see below), whose sum is σ = 32840161536000. Its totient is φ = 13255128323712.

The previous prime is 21023010300181. The next prime is 21023010300239. The reversal of 21023010300213 is 31200301032012.

21023010300213 is a `hidden beast` number, since 210 + 230 + 10 + 3 + 0 + 0 + 213 = 666.

It is not a de Polignac number, because 21023010300213 - 2⁵ = 21023010300181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023010300713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1465317306 + ... + 1465331652.

It is an arithmetic number, because the mean of its divisors is an integer number (513127524000).

Almost surely, 2^{21023010300213} is an apocalyptic number.

It is an amenable number.

21023010300213 is a deficient number, since it is larger than the sum of its proper divisors (11817151235787).

21023010300213 is a wasteful number, since it uses less digits than its factorization.

21023010300213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19031 (or 19025 counting only the distinct ones).

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

Adding to 21023010300213 its reverse (31200301032012), we get a palindrome (52223311332225).

The spelling of 21023010300213 in words is "twenty-one trillion, twenty-three billion, ten million, three hundred thousand, two hundred thirteen".