2101241099 has 2 divisors, whose sum is σ = 2101241100. Its totient is φ = 2101241098.

The previous prime is 2101241071. The next prime is 2101241147. The reversal of 2101241099 is 9901421012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101241099 is a prime.

It is a super-2 number, since 2×2101241099² = 8830428312253455602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2101241059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050620549 + 1050620550.

It is an arithmetic number, because the mean of its divisors is an integer number (1050620550).

Almost surely, 2^2101241099 is an apocalyptic number.

2101241099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101241099 is an equidigital number, since it uses as much as digits as its factorization.

2101241099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 2101241099 is about 45839.2964496621. The cubic root of 2101241099 is about 1280.8313891981.

The spelling of 2101241099 in words is "two billion, one hundred one million, two hundred forty-one thousand, ninety-nine".