1002001122079 has 2 divisors, whose sum is σ = 1002001122080. Its totient is φ = 1002001122078.

The previous prime is 1002001121987. The next prime is 1002001122091. The reversal of 1002001122079 is 9702211002001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002001122079 - 2¹⁷ = 1002000991007 is a prime.

It is a super-2 number, since 2×1002001122079² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002001122179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501000561039 + 501000561040.

It is an arithmetic number, because the mean of its divisors is an integer number (501000561040).

Almost surely, 2^{1002001122079} is an apocalyptic number.

1002001122079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002001122079 is an equidigital number, since it uses as much as digits as its factorization.

1002001122079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 1002001122079 in words is "one trillion, two billion, one million, one hundred twenty-two thousand, seventy-nine".