111002 has 4 divisors (see below), whose sum is σ = 166506.
Its totient is φ = 55500.
The previous prime is 110989. The next prime is 111029. The reversal of 111002 is 200111.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200111 = 97 ⋅2063.
It can be written as a sum of positive squares in only one way, i.e., 78961 + 32041 = 281^2 + 179^2
It is a nialpdrome in base 11.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27749 + ... + 27752.
2111002 is an apocalyptic number.
111002 is a deficient number, since it is larger than the sum of its proper divisors (55504).
111002 is an equidigital number, since it uses as much as digits as its factorization.
111002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55503.
The product of its (nonzero) digits is 2, while the sum is 5.
The square root of 111002 is about 333.1696264668.
The cubic root of 111002 is about 48.0592439777.
Adding to 111002 its reverse (200111), we get a palindrome (311113).
Multiplying 111002 by its reverse (200111), we get a palindrome (22212721222).
The spelling of 111002 in words is "one hundred eleven thousand, two", and thus it is an iban number.