122427426121 has 16 divisors (see below), whose sum is σ = 164378083968. Its totient is φ = 88059686400.

The previous prime is 122427426119. The next prime is 122427426127. The reversal of 122427426121 is 121624724221.

It is not a de Polignac number, because 122427426121 - 2¹ = 122427426119 is a prime.

It is a super-2 number, since 2×122427426121² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122427426127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61151560 + ... + 61153561.

It is an arithmetic number, because the mean of its divisors is an integer number (10273630248).

Almost surely, 2^122427426121 is an apocalyptic number.

122427426121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122427426121 is a deficient number, since it is larger than the sum of its proper divisors (41950657847).

122427426121 is a wasteful number, since it uses less digits than its factorization.

122427426121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122305152.

The product of its digits is 21504, while the sum is 34.

The spelling of 122427426121 in words is "one hundred twenty-two billion, four hundred twenty-seven million, four hundred twenty-six thousand, one hundred twenty-one".