2122020013691 has 2 divisors, whose sum is σ = 2122020013692. Its totient is φ = 2122020013690.

The previous prime is 2122020013613. The next prime is 2122020013769. The reversal of 2122020013691 is 1963100202212.

It is a balanced prime because it is at equal distance from previous prime (2122020013613) and next prime (2122020013769).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122020013691 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122022013691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061010006845 + 1061010006846.

It is an arithmetic number, because the mean of its divisors is an integer number (1061010006846).

Almost surely, 2^{2122020013691} is an apocalyptic number.

2122020013691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122020013691 is an equidigital number, since it uses as much as digits as its factorization.

2122020013691 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 29.

The spelling of 2122020013691 in words is "two trillion, one hundred twenty-two billion, twenty million, thirteen thousand, six hundred ninety-one".