111002121101121 has 16 divisors (see below), whose sum is σ = 155795513755200. Its totient is φ = 70105224411648.

The previous prime is 111002121101099. The next prime is 111002121101147. The reversal of 111002121101121 is 121101121200111.

It is not a de Polignac number, because 111002121101121 - 2⁵ = 111002121101089 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111002121101121.

It is not an unprimeable number, because it can be changed into a prime (111002121103121) 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, 16215876 + ... + 22021781.

It is an arithmetic number, because the mean of its divisors is an integer number (9737219609700).

Almost surely, 2^{111002121101121} is an apocalyptic number.

It is an amenable number.

111002121101121 is a deficient number, since it is larger than the sum of its proper divisors (44793392654079).

111002121101121 is a wasteful number, since it uses less digits than its factorization.

111002121101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38288608.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111002121101121 its reverse (121101121200111), we get a palindrome (232103242301232).

The spelling of 111002121101121 in words is "one hundred eleven trillion, two billion, one hundred twenty-one million, one hundred one thousand, one hundred twenty-one".