102111233 has 16 divisors (see below), whose sum is σ = 121063680. Its totient is φ = 84267456.

The previous prime is 102111203. The next prime is 102111239. The reversal of 102111233 is 332111201.

It is not a de Polignac number, because 102111233 - 2²⁰ = 101062657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102111239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137060 + ... + 137802.

It is an arithmetic number, because the mean of its divisors is an integer number (7566480).

Almost surely, 2^102111233 is an apocalyptic number.

It is an amenable number.

102111233 is a deficient number, since it is larger than the sum of its proper divisors (18952447).

102111233 is an equidigital number, since it uses as much as digits as its factorization.

102111233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 102111233 is about 10105.0102919294. The cubic root of 102111233 is about 467.4026533372.

Adding to 102111233 its reverse (332111201), we get a palindrome (434222434).

The spelling of 102111233 in words is "one hundred two million, one hundred eleven thousand, two hundred thirty-three".