122231011013 has 2 divisors, whose sum is σ = 122231011014. Its totient is φ = 122231011012.

The previous prime is 122231010991. The next prime is 122231011027. The reversal of 122231011013 is 310110132221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75392528929 + 46838482084 = 274577^2 + 216422^2 .

It is a cyclic number.

It is not a de Polignac number, because 122231011013 - 2⁸ = 122231010757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122231010982 and 122231011000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122231011073) 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 as a sum of consecutive naturals, namely, 61115505506 + 61115505507.

It is an arithmetic number, because the mean of its divisors is an integer number (61115505507).

Almost surely, 2^122231011013 is an apocalyptic number.

It is an amenable number.

122231011013 is a deficient number, since it is larger than the sum of its proper divisors (1).

122231011013 is an equidigital number, since it uses as much as digits as its factorization.

122231011013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 122231011013 its reverse (310110132221), we get a palindrome (432341143234).

The spelling of 122231011013 in words is "one hundred twenty-two billion, two hundred thirty-one million, eleven thousand, thirteen".