2103013210091 has 2 divisors, whose sum is σ = 2103013210092. Its totient is φ = 2103013210090.

The previous prime is 2103013210069. The next prime is 2103013210093. The reversal of 2103013210091 is 1900123103012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2103013210091 - 2¹⁴ = 2103013193707 is a prime.

Together with 2103013210093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2103013210093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051506605045 + 1051506605046.

It is an arithmetic number, because the mean of its divisors is an integer number (1051506605046).

Almost surely, 2^{2103013210091} is an apocalyptic number.

2103013210091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103013210091 is an equidigital number, since it uses as much as digits as its factorization.

2103013210091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 2103013210091 in words is "two trillion, one hundred three billion, thirteen million, two hundred ten thousand, ninety-one".