111042002 has 4 divisors (see below), whose sum is σ = 166563006. Its totient is φ = 55521000.

The previous prime is 111041993. The next prime is 111042017. The reversal of 111042002 is 200240111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200240111 = 491 ⋅407821.

It can be written as a sum of positive squares in only one way, i.e., 56415121 + 54626881 = 7511^2 + 7391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27760499 + ... + 27760502.

Almost surely, 2^111042002 is an apocalyptic number.

111042002 is a deficient number, since it is larger than the sum of its proper divisors (55521004).

111042002 is an equidigital number, since it uses as much as digits as its factorization.

111042002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55521003.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 111042002 is about 10537.6468910284. The cubic root of 111042002 is about 480.6501635113.

Adding to 111042002 its reverse (200240111), we get a palindrome (311282113).

The spelling of 111042002 in words is "one hundred eleven million, forty-two thousand, two".