1021325100079 has 2 divisors, whose sum is σ = 1021325100080. Its totient is φ = 1021325100078.

The previous prime is 1021325100073. The next prime is 1021325100119. The reversal of 1021325100079 is 9700015231201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021325100079 - 2⁹ = 1021325099567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1021325100079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021325100073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510662550039 + 510662550040.

It is an arithmetic number, because the mean of its divisors is an integer number (510662550040).

Almost surely, 2^{1021325100079} is an apocalyptic number.

1021325100079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021325100079 is an equidigital number, since it uses as much as digits as its factorization.

1021325100079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 31.

The spelling of 1021325100079 in words is "one trillion, twenty-one billion, three hundred twenty-five million, one hundred thousand, seventy-nine".