101123221079 has 2 divisors, whose sum is σ = 101123221080. Its totient is φ = 101123221078.

The previous prime is 101123221061. The next prime is 101123221093. The reversal of 101123221079 is 970122321101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101123221079 - 2⁸ = 101123220823 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 (101123221099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50561610539 + 50561610540.

It is an arithmetic number, because the mean of its divisors is an integer number (50561610540).

Almost surely, 2^101123221079 is an apocalyptic number.

101123221079 is a deficient number, since it is larger than the sum of its proper divisors (1).

101123221079 is an equidigital number, since it uses as much as digits as its factorization.

101123221079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 101123221079 in words is "one hundred one billion, one hundred twenty-three million, two hundred twenty-one thousand, seventy-nine".