122113222142 has 4 divisors (see below), whose sum is σ = 183169833216. Its totient is φ = 61056611070.

The previous prime is 122113222123. The next prime is 122113222181. The reversal of 122113222142 is 241222311221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241222311221 = 377099 ⋅639679.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30528305534 + ... + 30528305537.

It is an arithmetic number, because the mean of its divisors is an integer number (45792458304).

Almost surely, 2^122113222142 is an apocalyptic number.

122113222142 is a deficient number, since it is larger than the sum of its proper divisors (61056611074).

122113222142 is an equidigital number, since it uses as much as digits as its factorization.

122113222142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61056611073.

The product of its digits is 768, while the sum is 23.

Adding to 122113222142 its reverse (241222311221), we get a palindrome (363335533363).

The spelling of 122113222142 in words is "one hundred twenty-two billion, one hundred thirteen million, two hundred twenty-two thousand, one hundred forty-two".