1002211279 has 2 divisors, whose sum is σ = 1002211280. Its totient is φ = 1002211278.

The previous prime is 1002211271. The next prime is 1002211313. The reversal of 1002211279 is 9721122001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002211279 - 2³ = 1002211271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002211271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501105639 + 501105640.

It is an arithmetic number, because the mean of its divisors is an integer number (501105640).

Almost surely, 2^1002211279 is an apocalyptic number.

1002211279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002211279 is an equidigital number, since it uses as much as digits as its factorization.

1002211279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1002211279 is about 31657.7206854821. The cubic root of 1002211279 is about 1000.7365503604.

The spelling of 1002211279 in words is "one billion, two million, two hundred eleven thousand, two hundred seventy-nine".