10001022020191 has 2 divisors, whose sum is σ = 10001022020192. Its totient is φ = 10001022020190.

The previous prime is 10001022020177. The next prime is 10001022020239. The reversal of 10001022020191 is 19102022010001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10001022020191 - 2³⁹ = 9451266206303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001022030191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000511010095 + 5000511010096.

It is an arithmetic number, because the mean of its divisors is an integer number (5000511010096).

Almost surely, 2^{10001022020191} is an apocalyptic number.

10001022020191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001022020191 is an equidigital number, since it uses as much as digits as its factorization.

10001022020191 is an odious number, because the sum of its binary digits is odd.

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

Adding to 10001022020191 its reverse (19102022010001), we get a palindrome (29103044030192).

The spelling of 10001022020191 in words is "ten trillion, one billion, twenty-two million, twenty thousand, one hundred ninety-one".