10201002391 has 2 divisors, whose sum is σ = 10201002392. Its totient is φ = 10201002390.

The previous prime is 10201002373. The next prime is 10201002419. The reversal of 10201002391 is 19320010201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10201002391 - 2¹⁷ = 10200871319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201002191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100501195 + 5100501196.

It is an arithmetic number, because the mean of its divisors is an integer number (5100501196).

Almost surely, 2^10201002391 is an apocalyptic number.

10201002391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201002391 is an equidigital number, since it uses as much as digits as its factorization.

10201002391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 10201002391 its reverse (19320010201), we get a palindrome (29521012592).

The spelling of 10201002391 in words is "ten billion, two hundred one million, two thousand, three hundred ninety-one".