21122300322113 has 4 divisors (see below), whose sum is σ = 21122429826480. Its totient is φ = 21122170817748.

The previous prime is 21122300322077. The next prime is 21122300322127. The reversal of 21122300322113 is 31122300322112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21122300322113 - 2²⁴ = 21122283544897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21122300322313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64507223 + ... + 64833836.

It is an arithmetic number, because the mean of its divisors is an integer number (5280607456620).

Almost surely, 2^{21122300322113} is an apocalyptic number.

It is an amenable number.

21122300322113 is a deficient number, since it is larger than the sum of its proper divisors (129504367).

21122300322113 is a wasteful number, since it uses less digits than its factorization.

21122300322113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129504366.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21122300322113 its reverse (31122300322112), we get a palindrome (52244600644225).

Subtracting 21122300322113 from its reverse (31122300322112), we obtain a palindrome (9999999999999).

The spelling of 21122300322113 in words is "twenty-one trillion, one hundred twenty-two billion, three hundred million, three hundred twenty-two thousand, one hundred thirteen".