10107522721 has 4 divisors (see below), whose sum is σ = 10107742000. Its totient is φ = 10107303444.

The previous prime is 10107522683. The next prime is 10107522731. The reversal of 10107522721 is 12722570101.

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 not a de Polignac number, because 10107522721 - 2⁹ = 10107522209 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 10107522721.

It is not an unprimeable number, because it can be changed into a prime (10107522731) 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, 10791 + ... + 142588.

It is an arithmetic number, because the mean of its divisors is an integer number (2526935500).

Almost surely, 2^10107522721 is an apocalyptic number.

It is an amenable number.

10107522721 is a deficient number, since it is larger than the sum of its proper divisors (219279).

10107522721 is an equidigital number, since it uses as much as digits as its factorization.

10107522721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219278.

The product of its (nonzero) digits is 1960, while the sum is 28.

The spelling of 10107522721 in words is "ten billion, one hundred seven million, five hundred twenty-two thousand, seven hundred twenty-one".