111120204022 has 4 divisors (see below), whose sum is σ = 166680306036. Its totient is φ = 55560102010.

The previous prime is 111120204007. The next prime is 111120204031. The reversal of 111120204022 is 220402021111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220402021111 = 107 ⋅2059831973.

It is a junction number, because it is equal to n+sod(n) for n = 111120203987 and 111120204005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780051004 + ... + 27780051007.

It is an arithmetic number, because the mean of its divisors is an integer number (41670076509).

Almost surely, 2^111120204022 is an apocalyptic number.

111120204022 is a deficient number, since it is larger than the sum of its proper divisors (55560102014).

111120204022 is an equidigital number, since it uses as much as digits as its factorization.

111120204022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55560102013.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111120204022 its reverse (220402021111), we get a palindrome (331522225133).

The spelling of 111120204022 in words is "one hundred eleven billion, one hundred twenty million, two hundred four thousand, twenty-two".