2101222102919 has 2 divisors, whose sum is σ = 2101222102920. Its totient is φ = 2101222102918.

The previous prime is 2101222102913. The next prime is 2101222102921. The reversal of 2101222102919 is 9192012221012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101222102919 - 2⁸ = 2101222102663 is a prime.

It is a super-2 number, since 2×2101222102919² (a number of 25 digits) contains 22 as substring.

Together with 2101222102921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101222102913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050611051459 + 1050611051460.

It is an arithmetic number, because the mean of its divisors is an integer number (1050611051460).

Almost surely, 2^{2101222102919} is an apocalyptic number.

2101222102919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101222102919 is an equidigital number, since it uses as much as digits as its factorization.

2101222102919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 2101222102919 in words is "two trillion, one hundred one billion, two hundred twenty-two million, one hundred two thousand, nine hundred nineteen".