101079091391 has 2 divisors, whose sum is σ = 101079091392. Its totient is φ = 101079091390.

The previous prime is 101079091357. The next prime is 101079091423. The reversal of 101079091391 is 193190970101.

It is a strong prime.

It is an emirp because it is prime and its reverse (193190970101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101079091391 - 2¹⁴ = 101079075007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101079091301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50539545695 + 50539545696.

It is an arithmetic number, because the mean of its divisors is an integer number (50539545696).

Almost surely, 2^101079091391 is an apocalyptic number.

101079091391 is a deficient number, since it is larger than the sum of its proper divisors (1).

101079091391 is an equidigital number, since it uses as much as digits as its factorization.

101079091391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15309, while the sum is 41.

The spelling of 101079091391 in words is "one hundred one billion, seventy-nine million, ninety-one thousand, three hundred ninety-one".