122120111023 has 2 divisors, whose sum is σ = 122120111024. Its totient is φ = 122120111022.

The previous prime is 122120110967. The next prime is 122120111039. The reversal of 122120111023 is 320111021221.

It is an a-pointer prime, because the next prime (122120111039) can be obtained adding 122120111023 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122120111023 - 2²⁹ = 121583240111 is a prime.

It is a super-2 number, since 2×122120111023² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122120110988 and 122120111006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122120111053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060055511 + 61060055512.

It is an arithmetic number, because the mean of its divisors is an integer number (61060055512).

Almost surely, 2^122120111023 is an apocalyptic number.

122120111023 is a deficient number, since it is larger than the sum of its proper divisors (1).

122120111023 is an equidigital number, since it uses as much as digits as its factorization.

122120111023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 122120111023 its reverse (320111021221), we get a palindrome (442231132244).

The spelling of 122120111023 in words is "one hundred twenty-two billion, one hundred twenty million, one hundred eleven thousand, twenty-three".