111102101121 has 32 divisors (see below), whose sum is σ = 172098338688. Its totient is φ = 63007370240.

The previous prime is 111102101039. The next prime is 111102101137. The reversal of 111102101121 is 121101201111.

It is a cyclic number.

It is not a de Polignac number, because 111102101121 - 2²⁵ = 111068546689 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111102101097 and 111102101106.

It is not an unprimeable number, because it can be changed into a prime (111102101191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 475326 + ... + 669431.

It is an arithmetic number, because the mean of its divisors is an integer number (5378073084).

Almost surely, 2^111102101121 is an apocalyptic number.

111102101121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111102101121 is a deficient number, since it is larger than the sum of its proper divisors (60996237567).

111102101121 is a wasteful number, since it uses less digits than its factorization.

111102101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144961.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111102101121 its reverse (121101201111), we get a palindrome (232203302232).

The spelling of 111102101121 in words is "one hundred eleven billion, one hundred two million, one hundred one thousand, one hundred twenty-one".