22331101013021 has 2 divisors, whose sum is σ = 22331101013022. Its totient is φ = 22331101013020.

The previous prime is 22331101013003. The next prime is 22331101013047. The reversal of 22331101013021 is 12031010113322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21895614525625 + 435486487396 = 4679275^2 + 659914^2 .

It is a cyclic number.

It is not a de Polignac number, because 22331101013021 - 2¹⁰ = 22331101011997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22331101012984 and 22331101013002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22331101012021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11165550506510 + 11165550506511.

It is an arithmetic number, because the mean of its divisors is an integer number (11165550506511).

Almost surely, 2^{22331101013021} is an apocalyptic number.

It is an amenable number.

22331101013021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22331101013021 is an equidigital number, since it uses as much as digits as its factorization.

22331101013021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 22331101013021 its reverse (12031010113322), we get a palindrome (34362111126343).

The spelling of 22331101013021 in words is "twenty-two trillion, three hundred thirty-one billion, one hundred one million, thirteen thousand, twenty-one".