2101232099 has 2 divisors, whose sum is σ = 2101232100. Its totient is φ = 2101232098.

The previous prime is 2101232057. The next prime is 2101232123. The reversal of 2101232099 is 9902321012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101232099 - 2⁸ = 2101231843 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101232299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050616049 + 1050616050.

It is an arithmetic number, because the mean of its divisors is an integer number (1050616050).

Almost surely, 2^2101232099 is an apocalyptic number.

2101232099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101232099 is an equidigital number, since it uses as much as digits as its factorization.

2101232099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2101232099 is about 45839.1982805110. The cubic root of 2101232099 is about 1280.8295605171.

It can be divided in two parts, 2 and 101232099, that added together give a palindrome (101232101).

The spelling of 2101232099 in words is "two billion, one hundred one million, two hundred thirty-two thousand, ninety-nine".