2100230200309 has 2 divisors, whose sum is σ = 2100230200310. Its totient is φ = 2100230200308.

The previous prime is 2100230200261. The next prime is 2100230200427. The reversal of 2100230200309 is 9030020320012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2087221657284 + 13008543025 = 1444722^2 + 114055^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100230200309 - 2⁷ = 2100230200181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2100230200309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100230200109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050115100154 + 1050115100155.

It is an arithmetic number, because the mean of its divisors is an integer number (1050115100155).

Almost surely, 2^{2100230200309} is an apocalyptic number.

It is an amenable number.

2100230200309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100230200309 is an equidigital number, since it uses as much as digits as its factorization.

2100230200309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 2100230200309 in words is "two trillion, one hundred billion, two hundred thirty million, two hundred thousand, three hundred nine".