10299721226 has 4 divisors (see below), whose sum is σ = 15449581842. Its totient is φ = 5149860612.

The previous prime is 10299721213. The next prime is 10299721231. The reversal of 10299721226 is 62212799201.

10299721226 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8274631225 + 2025090001 = 90965^2 + 45001^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2574930305 + ... + 2574930308.

Almost surely, 2^10299721226 is an apocalyptic number.

10299721226 is a deficient number, since it is larger than the sum of its proper divisors (5149860616).

10299721226 is an equidigital number, since it uses as much as digits as its factorization.

10299721226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149860615.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 10299721226 in words is "ten billion, two hundred ninety-nine million, seven hundred twenty-one thousand, two hundred twenty-six".