10109219291 has 4 divisors (see below), whose sum is σ = 10382441472. Its totient is φ = 9835997112.

The previous prime is 10109219213. The next prime is 10109219339. The reversal of 10109219291 is 19291290101.

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 10109219291 - 2²⁶ = 10042110427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10109219191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136611035 + ... + 136611108.

It is an arithmetic number, because the mean of its divisors is an integer number (2595610368).

Almost surely, 2^10109219291 is an apocalyptic number.

10109219291 is a deficient number, since it is larger than the sum of its proper divisors (273222181).

10109219291 is an equidigital number, since it uses as much as digits as its factorization.

10109219291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273222180.

The product of its (nonzero) digits is 2916, while the sum is 35.

The spelling of 10109219291 in words is "ten billion, one hundred nine million, two hundred nineteen thousand, two hundred ninety-one".