111400122 has 16 divisors (see below), whose sum is σ = 223097760. Its totient is φ = 37083792.

The previous prime is 111400087. The next prime is 111400127. The reversal of 111400122 is 221004111.

It is a happy number.

It is a super-2 number, since 2×111400122² = 24819974363229768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111400098 and 111400107.

It is not an unprimeable number, because it can be changed into a prime (111400127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7372 + ... + 16647.

It is an arithmetic number, because the mean of its divisors is an integer number (13943610).

Almost surely, 2^111400122 is an apocalyptic number.

111400122 is an abundant number, since it is smaller than the sum of its proper divisors (111697638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111400122 is a wasteful number, since it uses less digits than its factorization.

111400122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24797.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 111400122 is about 10554.6256210251. The cubic root of 111400122 is about 481.1663217192.

Adding to 111400122 its reverse (221004111), we get a palindrome (332404233).

The spelling of 111400122 in words is "one hundred eleven million, four hundred thousand, one hundred twenty-two".