2102001100079 has 2 divisors, whose sum is σ = 2102001100080. Its totient is φ = 2102001100078.

The previous prime is 2102001100009. The next prime is 2102001100081. The reversal of 2102001100079 is 9700011002012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102001100079 is a prime.

Together with 2102001100081, 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 (2102001100009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051000550039 + 1051000550040.

It is an arithmetic number, because the mean of its divisors is an integer number (1051000550040).

Almost surely, 2^{2102001100079} is an apocalyptic number.

2102001100079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102001100079 is an equidigital number, since it uses as much as digits as its factorization.

2102001100079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The spelling of 2102001100079 in words is "two trillion, one hundred two billion, one million, one hundred thousand, seventy-nine".