1002210200197 has 2 divisors, whose sum is σ = 1002210200198. Its totient is φ = 1002210200196.

The previous prime is 1002210200171. The next prime is 1002210200239. The reversal of 1002210200197 is 7910020122001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982489334436 + 19720865761 = 991206^2 + 140431^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002210200197 - 2³⁹ = 452454386309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002210200897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501105100098 + 501105100099.

It is an arithmetic number, because the mean of its divisors is an integer number (501105100099).

Almost surely, 2^{1002210200197} is an apocalyptic number.

It is an amenable number.

1002210200197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002210200197 is an equidigital number, since it uses as much as digits as its factorization.

1002210200197 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.

Adding to 1002210200197 its reverse (7910020122001), we get a palindrome (8912230322198).

The spelling of 1002210200197 in words is "one trillion, two billion, two hundred ten million, two hundred thousand, one hundred ninety-seven".