1000221985627 has 2 divisors, whose sum is σ = 1000221985628. Its totient is φ = 1000221985626.

The previous prime is 1000221985583. The next prime is 1000221985639. The reversal of 1000221985627 is 7265891220001.

1000221985627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000221985627 - 2¹⁵ = 1000221952859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000221985327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500110992813 + 500110992814.

It is an arithmetic number, because the mean of its divisors is an integer number (500110992814).

Almost surely, 2^{1000221985627} is an apocalyptic number.

1000221985627 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000221985627 is an equidigital number, since it uses as much as digits as its factorization.

1000221985627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 1000221985627 in words is "one trillion, two hundred twenty-one million, nine hundred eighty-five thousand, six hundred twenty-seven".