21110322202013 has 16 divisors (see below), whose sum is σ = 23847945860160. Its totient is φ = 18510470496000.

The previous prime is 21110322201989. The next prime is 21110322202033. The reversal of 21110322202013 is 31020222301112.

It is a cyclic number.

It is not a de Polignac number, because 21110322202013 - 2⁶ = 21110322201949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110322202033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33555563 + ... + 34178888.

It is an arithmetic number, because the mean of its divisors is an integer number (1490496616260).

Almost surely, 2^{21110322202013} is an apocalyptic number.

It is an amenable number.

21110322202013 is a deficient number, since it is larger than the sum of its proper divisors (2737623658147).

21110322202013 is a wasteful number, since it uses less digits than its factorization.

21110322202013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67735468.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21110322202013 its reverse (31020222301112), we get a palindrome (52130544503125).

Subtracting 21110322202013 from its reverse (31020222301112), we obtain a palindrome (9909900099099).

The spelling of 21110322202013 in words is "twenty-one trillion, one hundred ten billion, three hundred twenty-two million, two hundred two thousand, thirteen".