2121713833367 has 12 divisors (see below), whose sum is σ = 2211584976120. Its totient is φ = 2034880472640.

The previous prime is 2121713833361. The next prime is 2121713833409. The reversal of 2121713833367 is 7633383171212.

It is a de Polignac number, because none of the positive numbers 2^k-2121713833367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121713833361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10597208 + ... + 10795565.

It is an arithmetic number, because the mean of its divisors is an integer number (184298748010).

Almost surely, 2^{2121713833367} is an apocalyptic number.

2121713833367 is a deficient number, since it is larger than the sum of its proper divisors (89871142753).

2121713833367 is an equidigital number, since it uses as much as digits as its factorization.

2121713833367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21392914 (or 21392873 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The spelling of 2121713833367 in words is "two trillion, one hundred twenty-one billion, seven hundred thirteen million, eight hundred thirty-three thousand, three hundred sixty-seven".