1002212201 has 2 divisors, whose sum is σ = 1002212202. Its totient is φ = 1002212200.

The previous prime is 1002212177. The next prime is 1002212207. The reversal of 1002212201 is 1022122001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556960000 + 445252201 = 23600^2 + 21101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002212201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002212207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501106100 + 501106101.

It is an arithmetic number, because the mean of its divisors is an integer number (501106101).

Almost surely, 2^1002212201 is an apocalyptic number.

It is an amenable number.

1002212201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002212201 is an equidigital number, since it uses as much as digits as its factorization.

1002212201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1002212201 is about 31657.7352474873. The cubic root of 1002212201 is about 1000.7368572414.

Adding to 1002212201 its reverse (1022122001), we get a palindrome (2024334202).

The spelling of 1002212201 in words is "one billion, two million, two hundred twelve thousand, two hundred one".