10201022191 has 2 divisors, whose sum is σ = 10201022192. Its totient is φ = 10201022190.

The previous prime is 10201022189. The next prime is 10201022219. The reversal of 10201022191 is 19122010201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10201022191 - 2¹ = 10201022189 is a prime.

Together with 10201022189, it forms a pair of twin primes.

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, 5100511095 + 5100511096.

It is an arithmetic number, because the mean of its divisors is an integer number (5100511096).

Almost surely, 2^10201022191 is an apocalyptic number.

10201022191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201022191 is an equidigital number, since it uses as much as digits as its factorization.

10201022191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 10201022191 its reverse (19122010201), we get a palindrome (29323032392).

The spelling of 10201022191 in words is "ten billion, two hundred one million, twenty-two thousand, one hundred ninety-one".