111100122022 has 4 divisors (see below), whose sum is σ = 166650183036. Its totient is φ = 55550061010.

The previous prime is 111100122019. The next prime is 111100122031. The reversal of 111100122022 is 220221001111.

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

It is a super-2 number, since 2×111100122022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111100121993 and 111100122011.

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, 27775030504 + ... + 27775030507.

It is an arithmetic number, because the mean of its divisors is an integer number (41662545759).

Almost surely, 2^111100122022 is an apocalyptic number.

111100122022 is a deficient number, since it is larger than the sum of its proper divisors (55550061014).

111100122022 is an equidigital number, since it uses as much as digits as its factorization.

111100122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55550061013.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111100122022 its reverse (220221001111), we get a palindrome (331321123133).

The spelling of 111100122022 in words is "one hundred eleven billion, one hundred million, one hundred twenty-two thousand, twenty-two".