10910108021 has 4 divisors (see below), whose sum is σ = 10982360544. Its totient is φ = 10837855500.

The previous prime is 10910107993. The next prime is 10910108051. The reversal of 10910108021 is 12080101901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10910108021 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 (10910108051) 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, 36126035 + ... + 36126336.

It is an arithmetic number, because the mean of its divisors is an integer number (2745590136).

Almost surely, 2^10910108021 is an apocalyptic number.

It is an amenable number.

10910108021 is a deficient number, since it is larger than the sum of its proper divisors (72252523).

10910108021 is an equidigital number, since it uses as much as digits as its factorization.

10910108021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72252522.

The product of its (nonzero) digits is 144, while the sum is 23.

Adding to 10910108021 its reverse (12080101901), we get a palindrome (22990209922).

The spelling of 10910108021 in words is "ten billion, nine hundred ten million, one hundred eight thousand, twenty-one".