111131200122 has 16 divisors (see below), whose sum is σ = 223088657760. Its totient is φ = 36906023792.

The previous prime is 111131200079. The next prime is 111131200151. The reversal of 111131200122 is 221002131111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34425648 + ... + 34428875.

It is an arithmetic number, because the mean of its divisors is an integer number (13943041110).

Almost surely, 2^111131200122 is an apocalyptic number.

111131200122 is an abundant number, since it is smaller than the sum of its proper divisors (111957457638).

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

111131200122 is a wasteful number, since it uses less digits than its factorization.

111131200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68854797.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111131200122 its reverse (221002131111), we get a palindrome (332133331233).

The spelling of 111131200122 in words is "one hundred eleven billion, one hundred thirty-one million, two hundred thousand, one hundred twenty-two".