22113230000021 has 2 divisors, whose sum is σ = 22113230000022. Its totient is φ = 22113230000020.

The previous prime is 22113229999967. The next prime is 22113230000041. The reversal of 22113230000021 is 12000003231122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20932180528900 + 1181049471121 = 4575170^2 + 1086761^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113230000021 - 2⁶ = 22113229999957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22113230000041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056615000010 + 11056615000011.

It is an arithmetic number, because the mean of its divisors is an integer number (11056615000011).

Almost surely, 2^{22113230000021} is an apocalyptic number.

It is an amenable number.

22113230000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22113230000021 is an equidigital number, since it uses as much as digits as its factorization.

22113230000021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22113230000021 its reverse (12000003231122), we get a palindrome (34113233231143).

The spelling of 22113230000021 in words is "twenty-two trillion, one hundred thirteen billion, two hundred thirty million, twenty-one", and thus it is an aban number.