2113001129 has 2 divisors, whose sum is σ = 2113001130. Its totient is φ = 2113001128.

The previous prime is 2113001113. The next prime is 2113001147. The reversal of 2113001129 is 9211003112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1905497104 + 207504025 = 43652^2 + 14405^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113001129 - 2⁴ = 2113001113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113001129.

It is not a weakly prime, because it can be changed into another prime (2113004129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056500564 + 1056500565.

It is an arithmetic number, because the mean of its divisors is an integer number (1056500565).

Almost surely, 2^2113001129 is an apocalyptic number.

It is an amenable number.

2113001129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113001129 is an equidigital number, since it uses as much as digits as its factorization.

2113001129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 2113001129 is about 45967.3920186908. The cubic root of 2113001129 is about 1283.2164244470.

The spelling of 2113001129 in words is "two billion, one hundred thirteen million, one thousand, one hundred twenty-nine".