2121002842319 has 2 divisors, whose sum is σ = 2121002842320. Its totient is φ = 2121002842318.

The previous prime is 2121002842271. The next prime is 2121002842331. The reversal of 2121002842319 is 9132482001212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2121002842319 - 2²⁴ = 2120986065103 is a prime.

It is a super-2 number, since 2×2121002842319² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121002892319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060501421159 + 1060501421160.

It is an arithmetic number, because the mean of its divisors is an integer number (1060501421160).

Almost surely, 2^{2121002842319} is an apocalyptic number.

2121002842319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121002842319 is an equidigital number, since it uses as much as digits as its factorization.

2121002842319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 2121002842319 in words is "two trillion, one hundred twenty-one billion, two million, eight hundred forty-two thousand, three hundred nineteen".