112221112442 has 8 divisors (see below), whose sum is σ = 168440344500. Its totient is φ = 56074330944.

The previous prime is 112221112439. The next prime is 112221112447. The reversal of 112221112442 is 244211122211.

It can be written as a sum of positive squares in 2 ways, for example, as 106302733681 + 5918378761 = 326041^2 + 76931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (112221112447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18108767 + ... + 18114962.

Almost surely, 2^112221112442 is an apocalyptic number.

112221112442 is a deficient number, since it is larger than the sum of its proper divisors (56219232058).

112221112442 is a wasteful number, since it uses less digits than its factorization.

112221112442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36225280.

The product of its digits is 512, while the sum is 23.

Adding to 112221112442 its reverse (244211122211), we get a palindrome (356432234653).

The spelling of 112221112442 in words is "one hundred twelve billion, two hundred twenty-one million, one hundred twelve thousand, four hundred forty-two".