111000121000111 has 24 divisors (see below), whose sum is σ = 130885794984960. Its totient is φ = 93850760808000.

The previous prime is 111000121000007. The next prime is 111000121000123.

111000121000111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111000121000111 - 2²⁵ = 111000087445679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000121000141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40357935 + ... + 43020496.

It is an arithmetic number, because the mean of its divisors is an integer number (5453574791040).

Almost surely, 2^{111000121000111} is an apocalyptic number.

111000121000111 is a deficient number, since it is larger than the sum of its proper divisors (19885673984849).

111000121000111 is a wasteful number, since it uses less digits than its factorization.

111000121000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83378815 (or 83378808 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

The spelling of 111000121000111 in words is "one hundred eleven trillion, one hundred twenty-one million, one hundred eleven", and thus it is an aban number.