10221914879 has 4 divisors (see below), whose sum is σ = 11151179880. Its totient is φ = 9292649880.

The previous prime is 10221914873. The next prime is 10221914881. The reversal of 10221914879 is 97841912201.

It is a happy number.

10221914879 is digitally balanced in base 2, 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 is a cyclic number.

It is not a de Polignac number, because 10221914879 - 2²⁰ = 10220866303 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 (10221914873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464632484 + ... + 464632505.

It is an arithmetic number, because the mean of its divisors is an integer number (2787794970).

Almost surely, 2^10221914879 is an apocalyptic number.

10221914879 is a deficient number, since it is larger than the sum of its proper divisors (929265001).

10221914879 is an equidigital number, since it uses as much as digits as its factorization.

10221914879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929265000.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 10221914879 in words is "ten billion, two hundred twenty-one million, nine hundred fourteen thousand, eight hundred seventy-nine".