10221676771 has 4 divisors (see below), whose sum is σ = 10236865672. Its totient is φ = 10206487872.

The previous prime is 10221676769. The next prime is 10221676783. The reversal of 10221676771 is 17767612201.

It is a happy number.

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 10221676771 - 2¹ = 10221676769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221676711) 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, 7593441 + ... + 7594786.

It is an arithmetic number, because the mean of its divisors is an integer number (2559216418).

Almost surely, 2^10221676771 is an apocalyptic number.

10221676771 is a deficient number, since it is larger than the sum of its proper divisors (15188901).

10221676771 is an equidigital number, since it uses as much as digits as its factorization.

10221676771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15188900.

The product of its (nonzero) digits is 49392, while the sum is 40.

The spelling of 10221676771 in words is "ten billion, two hundred twenty-one million, six hundred seventy-six thousand, seven hundred seventy-one".