111442802 has 4 divisors (see below), whose sum is σ = 167164206. Its totient is φ = 55721400.

The previous prime is 111442801. The next prime is 111442811. The reversal of 111442802 is 208244111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 208244111 = 443 ⋅470077.

It can be written as a sum of positive squares in only one way, i.e., 106729561 + 4713241 = 10331^2 + 2171^2 .

It is a super-2 number, since 2×111442802² = 24838996235222408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111442801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27860699 + ... + 27860702.

Almost surely, 2^111442802 is an apocalyptic number.

111442802 is a deficient number, since it is larger than the sum of its proper divisors (55721404).

111442802 is an equidigital number, since it uses as much as digits as its factorization.

111442802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55721403.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 111442802 is about 10556.6472897412. The cubic root of 111442802 is about 481.2277625751.

Adding to 111442802 its reverse (208244111), we get a palindrome (319686913).

The spelling of 111442802 in words is "one hundred eleven million, four hundred forty-two thousand, eight hundred two".