1110231121 has 8 divisors (see below), whose sum is σ = 1197719784. Its totient is φ = 1025207040.

The previous prime is 1110231119. The next prime is 1110231181. The reversal of 1110231121 is 1211320111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 823403025 + 286828096 = 28695^2 + 16936^2 .

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 1110231121 - 2¹ = 1110231119 is a prime.

It is a super-2 number, since 2×1110231121² = 2465226284073833282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1110231181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615210 + ... + 617011.

It is an arithmetic number, because the mean of its divisors is an integer number (149714973).

Almost surely, 2^1110231121 is an apocalyptic number.

It is an amenable number.

1110231121 is a deficient number, since it is larger than the sum of its proper divisors (87488663).

1110231121 is a wasteful number, since it uses less digits than its factorization.

1110231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232291.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1110231121 is about 33320.1308670899. The cubic root of 1110231121 is about 1035.4706630461.

Adding to 1110231121 its reverse (1211320111), we get a palindrome (2321551232).

The spelling of 1110231121 in words is "one billion, one hundred ten million, two hundred thirty-one thousand, one hundred twenty-one".