10102022191 has 4 divisors (see below), whose sum is σ = 10102233672. Its totient is φ = 10101810712.

The previous prime is 10102022179. The next prime is 10102022219. The reversal of 10102022191 is 19122020101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10102022191 - 2⁹ = 10102021679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3600 + ... + 142186.

It is an arithmetic number, because the mean of its divisors is an integer number (2525558418).

Almost surely, 2^10102022191 is an apocalyptic number.

10102022191 is a deficient number, since it is larger than the sum of its proper divisors (211481).

10102022191 is an equidigital number, since it uses as much as digits as its factorization.

10102022191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211480.

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

Adding to 10102022191 its reverse (19122020101), we get a palindrome (29224042292).

The spelling of 10102022191 in words is "ten billion, one hundred two million, twenty-two thousand, one hundred ninety-one".