2113044121 has 16 divisors (see below), whose sum is σ = 2287885824. Its totient is φ = 1944094464.

The previous prime is 2113044107. The next prime is 2113044127. The reversal of 2113044121 is 1214403112.

It is a cyclic number.

It is not a de Polignac number, because 2113044121 - 2¹¹ = 2113042073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2113044127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250840 + ... + 259126.

It is an arithmetic number, because the mean of its divisors is an integer number (142992864).

Almost surely, 2^2113044121 is an apocalyptic number.

It is an amenable number.

2113044121 is a deficient number, since it is larger than the sum of its proper divisors (174841703).

2113044121 is a wasteful number, since it uses less digits than its factorization.

2113044121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8640.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2113044121 is about 45967.8596521526. The cubic root of 2113044121 is about 1283.2251273397.

Adding to 2113044121 its reverse (1214403112), we get a palindrome (3327447233).

The spelling of 2113044121 in words is "two billion, one hundred thirteen million, forty-four thousand, one hundred twenty-one".