10011022121591 has 2 divisors, whose sum is σ = 10011022121592. Its totient is φ = 10011022121590.

The previous prime is 10011022121531. The next prime is 10011022121609. The reversal of 10011022121591 is 19512122011001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10011022121591 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10011022121591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10011022121531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005511060795 + 5005511060796.

It is an arithmetic number, because the mean of its divisors is an integer number (5005511060796).

Almost surely, 2^{10011022121591} is an apocalyptic number.

10011022121591 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011022121591 is an equidigital number, since it uses as much as digits as its factorization.

10011022121591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 26.

Adding to 10011022121591 its reverse (19512122011001), we get a palindrome (29523144132592).

The spelling of 10011022121591 in words is "ten trillion, eleven billion, twenty-two million, one hundred twenty-one thousand, five hundred ninety-one".