111344022122 has 4 divisors (see below), whose sum is σ = 167016033186. Its totient is φ = 55672011060.

The previous prime is 111344022113. The next prime is 111344022151. The reversal of 111344022122 is 221220443111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221220443111 = 409 ⋅540881279.

It can be written as a sum of positive squares in only one way, i.e., 93697822201 + 17646199921 = 306101^2 + 132839^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27836005529 + ... + 27836005532.

Almost surely, 2^111344022122 is an apocalyptic number.

111344022122 is a deficient number, since it is larger than the sum of its proper divisors (55672011064).

111344022122 is an equidigital number, since it uses as much as digits as its factorization.

111344022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55672011063.

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

Adding to 111344022122 its reverse (221220443111), we get a palindrome (332564465233).

The spelling of 111344022122 in words is "one hundred eleven billion, three hundred forty-four million, twenty-two thousand, one hundred twenty-two".