111213122 has 8 divisors (see below), whose sum is σ = 169169472. Its totient is φ = 54823300.

The previous prime is 111213103. The next prime is 111213143. The reversal of 111213122 is 221312111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111213097 and 111213106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391454 + ... + 391737.

It is an arithmetic number, because the mean of its divisors is an integer number (21146184).

Almost surely, 2^111213122 is an apocalyptic number.

111213122 is a deficient number, since it is larger than the sum of its proper divisors (57956350).

111213122 is an equidigital number, since it uses as much as digits as its factorization.

111213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783264.

The product of its digits is 24, while the sum is 14.

The square root of 111213122 is about 10545.7632251061. The cubic root of 111213122 is about 480.8969369276.

Adding to 111213122 its reverse (221312111), we get a palindrome (332525233).

The spelling of 111213122 in words is "one hundred eleven million, two hundred thirteen thousand, one hundred twenty-two".