111331120022 has 4 divisors (see below), whose sum is σ = 166996680036. Its totient is φ = 55665560010.

The previous prime is 111331120009. The next prime is 111331120039. The reversal of 111331120022 is 220021133111.

It is a semiprime because it is the product of two primes.

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, 27832780004 + ... + 27832780007.

It is an arithmetic number, because the mean of its divisors is an integer number (41749170009).

Almost surely, 2^111331120022 is an apocalyptic number.

111331120022 is a deficient number, since it is larger than the sum of its proper divisors (55665560014).

111331120022 is an equidigital number, since it uses as much as digits as its factorization.

111331120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55665560013.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111331120022 its reverse (220021133111), we get a palindrome (331352253133).

The spelling of 111331120022 in words is "one hundred eleven billion, three hundred thirty-one million, one hundred twenty thousand, twenty-two".