422112122121 has 16 divisors (see below), whose sum is σ = 578469864384. Its totient is φ = 273592874304.

The previous prime is 422112122111. The next prime is 422112122143. The reversal of 422112122121 is 121221211224.

It is not a de Polignac number, because 422112122121 - 2²¹ = 422110024969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422112122111) 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, 1309710 + ... + 1599863.

It is an arithmetic number, because the mean of its divisors is an integer number (36154366524).

Almost surely, 2^422112122121 is an apocalyptic number.

It is an amenable number.

422112122121 is a deficient number, since it is larger than the sum of its proper divisors (156357742263).

422112122121 is a wasteful number, since it uses less digits than its factorization.

422112122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910920.

The product of its digits is 256, while the sum is 21.

Adding to 422112122121 its reverse (121221211224), we get a palindrome (543333333345).

The spelling of 422112122121 in words is "four hundred twenty-two billion, one hundred twelve million, one hundred twenty-two thousand, one hundred twenty-one".