122231112442 has 4 divisors (see below), whose sum is σ = 183346668666. Its totient is φ = 61115556220.

The previous prime is 122231112433. The next prime is 122231112457. The reversal of 122231112442 is 244211132221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244211132221 = 7 ⋅34887304603.

It can be written as a sum of positive squares in only one way, i.e., 122088046921 + 143065521 = 349411^2 + 11961^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30557778109 + ... + 30557778112.

Almost surely, 2^122231112442 is an apocalyptic number.

122231112442 is a deficient number, since it is larger than the sum of its proper divisors (61115556224).

122231112442 is an equidigital number, since it uses as much as digits as its factorization.

122231112442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61115556223.

The product of its digits is 1536, while the sum is 25.

Adding to 122231112442 its reverse (244211132221), we get a palindrome (366442244663).

The spelling of 122231112442 in words is "one hundred twenty-two billion, two hundred thirty-one million, one hundred twelve thousand, four hundred forty-two".