111099983 has 2 divisors, whose sum is σ = 111099984. Its totient is φ = 111099982.

The previous prime is 111099979. The next prime is 111099997. The reversal of 111099983 is 389990111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111099983 - 2² = 111099979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111099983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111099953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55549991 + 55549992.

It is an arithmetic number, because the mean of its divisors is an integer number (55549992).

Almost surely, 2^111099983 is an apocalyptic number.

111099983 is a deficient number, since it is larger than the sum of its proper divisors (1).

111099983 is an equidigital number, since it uses as much as digits as its factorization.

111099983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 41.

The square root of 111099983 is about 10540.3976680199. The cubic root of 111099983 is about 480.7338067198.

The spelling of 111099983 in words is "one hundred eleven million, ninety-nine thousand, nine hundred eighty-three".