111421160 has 32 divisors (see below), whose sum is σ = 251008200. Its totient is φ = 44513280.

The previous prime is 111421153. The next prime is 111421183. The reversal of 111421160 is 61124111.

It can be written as a sum of positive squares in 4 ways, for example, as 105555076 + 5866084 = 10274^2 + 2422^2 .

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, 50480 + ... + 52640.

Almost surely, 2^111421160 is an apocalyptic number.

111421160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111421160 is an abundant number, since it is smaller than the sum of its proper divisors (139587040).

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

111421160 is a wasteful number, since it uses less digits than its factorization.

111421160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461 (or 3457 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 111421160 is about 10555.6221986200. The cubic root of 111421160 is about 481.1966093578.

Adding to 111421160 its reverse (61124111), we get a palindrome (172545271).

The spelling of 111421160 in words is "one hundred eleven million, four hundred twenty-one thousand, one hundred sixty".