1110011121121 has 4 divisors (see below), whose sum is σ = 1268584138432. Its totient is φ = 951438103812.

The previous prime is 1110011121029. The next prime is 1110011121133. The reversal of 1110011121121 is 1211211100111.

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 not a de Polignac number, because 1110011121121 - 2²⁷ = 1109876903393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1110041121121) 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, 79286508645 + ... + 79286508658.

It is an arithmetic number, because the mean of its divisors is an integer number (317146034608).

Almost surely, 2^{1110011121121} is an apocalyptic number.

It is an amenable number.

1110011121121 is a deficient number, since it is larger than the sum of its proper divisors (158573017311).

1110011121121 is an equidigital number, since it uses as much as digits as its factorization.

1110011121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158573017310.

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

Adding to 1110011121121 its reverse (1211211100111), we get a palindrome (2321222221232).

The spelling of 1110011121121 in words is "one trillion, one hundred ten billion, eleven million, one hundred twenty-one thousand, one hundred twenty-one".