13112020023121 has 2 divisors, whose sum is σ = 13112020023122. Its totient is φ = 13112020023120.

The previous prime is 13112020023043. The next prime is 13112020023169. The reversal of 13112020023121 is 12132002021131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8970408364096 + 4141611659025 = 2995064^2 + 2035095^2 .

It is a cyclic number.

It is not a de Polignac number, because 13112020023121 - 2¹¹ = 13112020021073 is a prime.

It is not a weakly prime, because it can be changed into another prime (13112420023121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556010011560 + 6556010011561.

It is an arithmetic number, because the mean of its divisors is an integer number (6556010011561).

Almost surely, 2^{13112020023121} is an apocalyptic number.

It is an amenable number.

13112020023121 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112020023121 is an equidigital number, since it uses as much as digits as its factorization.

13112020023121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13112020023121 its reverse (12132002021131), we get a palindrome (25244022044252).

The spelling of 13112020023121 in words is "thirteen trillion, one hundred twelve billion, twenty million, twenty-three thousand, one hundred twenty-one".