111010011121 has 8 divisors (see below), whose sum is σ = 113137655400. Its totient is φ = 108902534400.

The previous prime is 111010011107. The next prime is 111010011191. The reversal of 111010011121 is 121110010111.

It can be written as a sum of positive squares in 4 ways, for example, as 86436000000 + 24574011121 = 294000^2 + 156761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111010011121 - 2²¹ = 111007913969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111010011098 and 111010011107.

It is not an unprimeable number, because it can be changed into a prime (111010011191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5030776 + ... + 5052793.

It is an arithmetic number, because the mean of its divisors is an integer number (14142206925).

Almost surely, 2^111010011121 is an apocalyptic number.

It is an amenable number.

111010011121 is a deficient number, since it is larger than the sum of its proper divisors (2127644279).

111010011121 is a wasteful number, since it uses less digits than its factorization.

111010011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10083779.

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

Adding to 111010011121 its reverse (121110010111), we get a palindrome (232120021232).

The spelling of 111010011121 in words is "one hundred eleven billion, ten million, eleven thousand, one hundred twenty-one".