111213110122 has 16 divisors (see below), whose sum is σ = 176670798912. Its totient is φ = 52395013440.

The previous prime is 111213110093. The next prime is 111213110131. The reversal of 111213110122 is 221011312111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111213110096 and 111213110105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18039279 + ... + 18045442.

It is an arithmetic number, because the mean of its divisors is an integer number (11041924932).

Almost surely, 2^111213110122 is an apocalyptic number.

111213110122 is a deficient number, since it is larger than the sum of its proper divisors (65457688790).

111213110122 is a wasteful number, since it uses less digits than its factorization.

111213110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36084813.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111213110122 its reverse (221011312111), we get a palindrome (332224422233).

The spelling of 111213110122 in words is "one hundred eleven billion, two hundred thirteen million, one hundred ten thousand, one hundred twenty-two".