1000002209971 has 2 divisors, whose sum is σ = 1000002209972. Its totient is φ = 1000002209970.

The previous prime is 1000002209939. The next prime is 1000002210001. The reversal of 1000002209971 is 1799022000001.

1000002209971 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 1000002209971 - 2⁵ = 1000002209939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000002209471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500001104985 + 500001104986.

It is an arithmetic number, because the mean of its divisors is an integer number (500001104986).

Almost surely, 2^{1000002209971} is an apocalyptic number.

1000002209971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000002209971 is an equidigital number, since it uses as much as digits as its factorization.

1000002209971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

Adding to 1000002209971 its reverse (1799022000001), we get a palindrome (2799024209972).

The spelling of 1000002209971 in words is "one trillion, two million, two hundred nine thousand, nine hundred seventy-one".