10102191 has 16 divisors (see below), whose sum is σ = 14836608. Its totient is φ = 6063200.

The previous prime is 10102177. The next prime is 10102201. The reversal of 10102191 is 19120101.

It is not a de Polignac number, because 10102191 - 2¹⁰ = 10101167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10102191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102151) 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 15 ways as a sum of consecutive naturals, for example, 2101 + ... + 4961.

It is an arithmetic number, because the mean of its divisors is an integer number (927288).

Almost surely, 2^10102191 is an apocalyptic number.

10102191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10102191 is a deficient number, since it is larger than the sum of its proper divisors (4734417).

10102191 is a wasteful number, since it uses less digits than its factorization.

10102191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 10102191 is about 3178.3944059855. The cubic root of 10102191 is about 216.1748626885.

Adding to 10102191 its reverse (19120101), we get a palindrome (29222292).

It can be divided in two parts, 10 and 102191, that added together give a palindrome (102201).

The spelling of 10102191 in words is "ten million, one hundred two thousand, one hundred ninety-one".