1110120112121 has 4 divisors (see below), whose sum is σ = 1110145312500. Its totient is φ = 1110094911744.

The previous prime is 1110120112103. The next prime is 1110120112217. The reversal of 1110120112121 is 1212110210111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 974126521 + 1109145985600 = 31211^2 + 1053160^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110120112121 - 2¹⁰ = 1110120111097 is a prime.

It is a super-2 number, since 2×1110120112121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1110120112096 and 1110120112105.

It is not an unprimeable number, because it can be changed into a prime (1110120112421) 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, 12533996 + ... + 12622253.

It is an arithmetic number, because the mean of its divisors is an integer number (277536328125).

Almost surely, 2^{1110120112121} is an apocalyptic number.

It is an amenable number.

1110120112121 is a deficient number, since it is larger than the sum of its proper divisors (25200379).

1110120112121 is an equidigital number, since it uses as much as digits as its factorization.

1110120112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25200378.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1110120112121 its reverse (1212110210111), we get a palindrome (2322230322232).

The spelling of 1110120112121 in words is "one trillion, one hundred ten billion, one hundred twenty million, one hundred twelve thousand, one hundred twenty-one".