2101219496723 has 2 divisors, whose sum is σ = 2101219496724. Its totient is φ = 2101219496722.

The previous prime is 2101219496659. The next prime is 2101219496731. The reversal of 2101219496723 is 3276949121012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101219496723 - 2⁶ = 2101219496659 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101219496743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050609748361 + 1050609748362.

It is an arithmetic number, because the mean of its divisors is an integer number (1050609748362).

Almost surely, 2^{2101219496723} is an apocalyptic number.

2101219496723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101219496723 is an equidigital number, since it uses as much as digits as its factorization.

2101219496723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 2101219496723 in words is "two trillion, one hundred one billion, two hundred nineteen million, four hundred ninety-six thousand, seven hundred twenty-three".