21202339112401 has 2 divisors, whose sum is σ = 21202339112402. Its totient is φ = 21202339112400.

The previous prime is 21202339112369. The next prime is 21202339112407. The reversal of 21202339112401 is 10421193320212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17530424694225 + 3671914418176 = 4186935^2 + 1916224^2 .

It is a cyclic number.

It is not a de Polignac number, because 21202339112401 - 2⁵ = 21202339112369 is a prime.

It is not a weakly prime, because it can be changed into another prime (21202339112407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601169556200 + 10601169556201.

It is an arithmetic number, because the mean of its divisors is an integer number (10601169556201).

Almost surely, 2^{21202339112401} is an apocalyptic number.

It is an amenable number.

21202339112401 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202339112401 is an equidigital number, since it uses as much as digits as its factorization.

21202339112401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 21202339112401 in words is "twenty-one trillion, two hundred two billion, three hundred thirty-nine million, one hundred twelve thousand, four hundred one".