2113141081 has 2 divisors, whose sum is σ = 2113141082. Its totient is φ = 2113141080.

The previous prime is 2113141049. The next prime is 2113141159. The reversal of 2113141081 is 1801413112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2108279056 + 4862025 = 45916^2 + 2205^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113141081 - 2⁵ = 2113141049 is a prime.

It is a super-2 number, since 2×2113141081² = 8930730456419697122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2113145081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056570540 + 1056570541.

It is an arithmetic number, because the mean of its divisors is an integer number (1056570541).

Almost surely, 2^2113141081 is an apocalyptic number.

It is an amenable number.

2113141081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113141081 is an equidigital number, since it uses as much as digits as its factorization.

2113141081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 2113141081 is about 45968.9142899851. The cubic root of 2113141081 is about 1283.2447545691.

Adding to 2113141081 its reverse (1801413112), we get a palindrome (3914554193).

The spelling of 2113141081 in words is "two billion, one hundred thirteen million, one hundred forty-one thousand, eighty-one".