111102111121 has 4 divisors (see below), whose sum is σ = 111143897200. Its totient is φ = 111060325044.

The previous prime is 111102111101. The next prime is 111102111137. The reversal of 111102111121 is 121111201111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111102111121 - 2¹⁷ = 111101980049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111102111101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20889051 + ... + 20894368.

It is an arithmetic number, because the mean of its divisors is an integer number (27785974300).

Almost surely, 2^111102111121 is an apocalyptic number.

It is an amenable number.

111102111121 is a deficient number, since it is larger than the sum of its proper divisors (41786079).

111102111121 is an equidigital number, since it uses as much as digits as its factorization.

111102111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41786078.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111102111121 its reverse (121111201111), we get a palindrome (232213312232).

The spelling of 111102111121 in words is "one hundred eleven billion, one hundred two million, one hundred eleven thousand, one hundred twenty-one".