1110011121 has 28 divisors (see below), whose sum is σ = 1680526848. Its totient is φ = 732773304.

The previous prime is 1110011113. The next prime is 1110011131. The reversal of 1110011121 is 1211100111.

It is not a de Polignac number, because 1110011121 - 2³ = 1110011113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1110011101) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 67696 + ... + 82478.

It is an arithmetic number, because the mean of its divisors is an integer number (60018816).

Almost surely, 2^1110011121 is an apocalyptic number.

It is an amenable number.

1110011121 is a deficient number, since it is larger than the sum of its proper divisors (570515727).

1110011121 is an equidigital number, since it uses as much as digits as its factorization.

1110011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14904 (or 14889 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

The square root of 1110011121 is about 33316.8293959674. The cubic root of 1110011121 is about 1035.4022632958.

Adding to 1110011121 its reverse (1211100111), we get a palindrome (2321111232).

The spelling of 1110011121 in words is "one billion, one hundred ten million, eleven thousand, one hundred twenty-one".