2120302299991 has 2 divisors, whose sum is σ = 2120302299992. Its totient is φ = 2120302299990.

The previous prime is 2120302299989. The next prime is 2120302300031. The reversal of 2120302299991 is 1999922030212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120302299991 - 2¹ = 2120302299989 is a prime.

Together with 2120302299989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120302299691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060151149995 + 1060151149996.

It is an arithmetic number, because the mean of its divisors is an integer number (1060151149996).

Almost surely, 2^{2120302299991} is an apocalyptic number.

2120302299991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120302299991 is an equidigital number, since it uses as much as digits as its factorization.

2120302299991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 49.

The spelling of 2120302299991 in words is "two trillion, one hundred twenty billion, three hundred two million, two hundred ninety-nine thousand, nine hundred ninety-one".