122113110323021 has 2 divisors, whose sum is σ = 122113110323022. Its totient is φ = 122113110323020.

The previous prime is 122113110323003. The next prime is 122113110323027. The reversal of 122113110323021 is 120323011311221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63828115562500 + 58284994760521 = 7989250^2 + 7634461^2 .

It is a cyclic number.

It is not a de Polignac number, because 122113110323021 - 2¹⁴ = 122113110306637 is a prime.

It is a super-2 number, since 2×122113110323021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122113110323027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056555161510 + 61056555161511.

It is an arithmetic number, because the mean of its divisors is an integer number (61056555161511).

Almost surely, 2^{122113110323021} is an apocalyptic number.

It is an amenable number.

122113110323021 is a deficient number, since it is larger than the sum of its proper divisors (1).

122113110323021 is an equidigital number, since it uses as much as digits as its factorization.

122113110323021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 122113110323021 its reverse (120323011311221), we get a palindrome (242436121634242).

The spelling of 122113110323021 in words is "one hundred twenty-two trillion, one hundred thirteen billion, one hundred ten million, three hundred twenty-three thousand, twenty-one".