2114113121 has 4 divisors (see below), whose sum is σ = 2114954244. Its totient is φ = 2113272000.

The previous prime is 2114113091. The next prime is 2114113129. The reversal of 2114113121 is 1213114112.

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 285610000 + 1828503121 = 16900^2 + 42761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2114113121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2114113121.

It is not an unprimeable number, because it can be changed into a prime (2114113129) 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, 416780 + ... + 421821.

It is an arithmetic number, because the mean of its divisors is an integer number (528738561).

Almost surely, 2^2114113121 is an apocalyptic number.

It is an amenable number.

2114113121 is a deficient number, since it is larger than the sum of its proper divisors (841123).

2114113121 is an equidigital number, since it uses as much as digits as its factorization.

2114113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841122.

The product of its digits is 48, while the sum is 17.

The square root of 2114113121 is about 45979.4858714188. The cubic root of 2114113121 is about 1283.4414876110.

Adding to 2114113121 its reverse (1213114112), we get a palindrome (3327227233).

Subtracting from 2114113121 its reverse (1213114112), we obtain a palindrome (900999009).

The spelling of 2114113121 in words is "two billion, one hundred fourteen million, one hundred thirteen thousand, one hundred twenty-one".