1110112121 has 8 divisors (see below), whose sum is σ = 1176152040. Its totient is φ = 1044154368.

The previous prime is 1110112111. The next prime is 1110112151. The reversal of 1110112121 is 1212110111.

It can be written as a sum of positive squares in 4 ways, for example, as 226833721 + 883278400 = 15061^2 + 29720^2 .

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 1110112121 - 2¹⁴ = 1110095737 is a prime.

It is a super-2 number, since 2×1110112121² = 2464697842382237282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1110112111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8465 + ... + 47873.

It is an arithmetic number, because the mean of its divisors is an integer number (147019005).

Almost surely, 2^1110112121 is an apocalyptic number.

It is an amenable number.

1110112121 is a deficient number, since it is larger than the sum of its proper divisors (66039919).

1110112121 is a wasteful number, since it uses less digits than its factorization.

1110112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41083.

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 1110112121 is about 33318.3451119650. The cubic root of 1110112121 is about 1035.4336661214.

Adding to 1110112121 its reverse (1212110111), we get a palindrome (2322222232).

The spelling of 1110112121 in words is "one billion, one hundred ten million, one hundred twelve thousand, one hundred twenty-one".