111221121096 has 48 divisors (see below), whose sum is σ = 318942924300. Its totient is φ = 34892900352.

The previous prime is 111221121061. The next prime is 111221121097. The reversal of 111221121096 is 690121122111.

It can be written as a sum of positive squares in 2 ways, for example, as 105876048996 + 5345072100 = 325386^2 + 73110^2 .

It is not an unprimeable number, because it can be changed into a prime (111221121097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45432241 + ... + 45434688.

Almost surely, 2^111221121096 is an apocalyptic number.

It is an amenable number.

111221121096 is an abundant number, since it is smaller than the sum of its proper divisors (207721803204).

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

111221121096 is a wasteful number, since it uses less digits than its factorization.

111221121096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90866958 (or 90866951 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The spelling of 111221121096 in words is "one hundred eleven billion, two hundred twenty-one million, one hundred twenty-one thousand, ninety-six".