2102112322309 has 2 divisors, whose sum is σ = 2102112322310. Its totient is φ = 2102112322308.

The previous prime is 2102112322243. The next prime is 2102112322339. The reversal of 2102112322309 is 9032232112012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2090635485409 + 11476836900 = 1445903^2 + 107130^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102112322309 - 2⁷ = 2102112322181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102112322339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051056161154 + 1051056161155.

It is an arithmetic number, because the mean of its divisors is an integer number (1051056161155).

Almost surely, 2^{2102112322309} is an apocalyptic number.

It is an amenable number.

2102112322309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102112322309 is an equidigital number, since it uses as much as digits as its factorization.

2102112322309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 2102112322309 in words is "two trillion, one hundred two billion, one hundred twelve million, three hundred twenty-two thousand, three hundred nine".