111802 has 4 divisors (see below), whose sum is σ = 167706. Its totient is φ = 55900.

The previous prime is 111799. The next prime is 111821. The reversal of 111802 is 208111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68121 + 43681 = 261^2 + 209^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27949 + ... + 27952.

2¹¹¹⁸⁰² is an apocalyptic number.

111802 is a deficient number, since it is larger than the sum of its proper divisors (55904).

111802 is an equidigital number, since it uses as much as digits as its factorization.

111802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55903.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 111802 is about 334.3680606757. The cubic root of 111802 is about 48.1744232801.

Adding to 111802 its reverse (208111), we get a palindrome (319913).

The spelling of 111802 in words is "one hundred eleven thousand, eight hundred two".