10109493221287 has 4 divisors (see below), whose sum is σ = 10111617515440. Its totient is φ = 10107368927136.

The previous prime is 10109493221279. The next prime is 10109493221323. The reversal of 10109493221287 is 78212239490101.

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 10109493221287 - 2³ = 10109493221279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10109493221287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10109493221227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062139938 + ... + 1062149455.

It is an arithmetic number, because the mean of its divisors is an integer number (2527904378860).

Almost surely, 2^{10109493221287} is an apocalyptic number.

10109493221287 is a deficient number, since it is larger than the sum of its proper divisors (2124294153).

10109493221287 is an equidigital number, since it uses as much as digits as its factorization.

10109493221287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124294152.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 10109493221287 in words is "ten trillion, one hundred nine billion, four hundred ninety-three million, two hundred twenty-one thousand, two hundred eighty-seven".