111221323132 has 12 divisors (see below), whose sum is σ = 196824252240. Its totient is φ = 54985822496.

The previous prime is 111221323097. The next prime is 111221323151. The reversal of 111221323132 is 231323122111.

It is a congruent number.

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, 156209368 + ... + 156210079.

It is an arithmetic number, because the mean of its divisors is an integer number (16402021020).

Almost surely, 2^111221323132 is an apocalyptic number.

It is an amenable number.

111221323132 is a deficient number, since it is larger than the sum of its proper divisors (85602929108).

111221323132 is a wasteful number, since it uses less digits than its factorization.

111221323132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312419540 (or 312419538 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 111221323132 its reverse (231323122111), we get a palindrome (342544445243).

The spelling of 111221323132 in words is "one hundred eleven billion, two hundred twenty-one million, three hundred twenty-three thousand, one hundred thirty-two".