122100100079 has 2 divisors, whose sum is σ = 122100100080. Its totient is φ = 122100100078.

The previous prime is 122100100027. The next prime is 122100100141. The reversal of 122100100079 is 970001001221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122100100079 - 2¹² = 122100095983 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122100100379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050050039 + 61050050040.

It is an arithmetic number, because the mean of its divisors is an integer number (61050050040).

Almost surely, 2^122100100079 is an apocalyptic number.

122100100079 is a deficient number, since it is larger than the sum of its proper divisors (1).

122100100079 is an equidigital number, since it uses as much as digits as its factorization.

122100100079 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 122100100079 in words is "one hundred twenty-two billion, one hundred million, one hundred thousand, seventy-nine".