111116890 has 16 divisors (see below), whose sum is σ = 200180808. Its totient is φ = 44408896.

The previous prime is 111116881. The next prime is 111116891. The reversal of 111116890 is 98611111.

It can be written as a sum of positive squares in 4 ways, for example, as 108430569 + 2686321 = 10413^2 + 1639^2 .

It is not an unprimeable number, because it can be changed into a prime (111116891) 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, 9684 + ... + 17776.

Almost surely, 2^111116890 is an apocalyptic number.

111116890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111116890 is a deficient number, since it is larger than the sum of its proper divisors (89063918).

111116890 is a wasteful number, since it uses less digits than its factorization.

111116890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9473.

The product of its (nonzero) digits is 432, while the sum is 28.

The square root of 111116890 is about 10541.1996470990. The cubic root of 111116890 is about 480.7581912247.

The spelling of 111116890 in words is "one hundred eleven million, one hundred sixteen thousand, eight hundred ninety".