200002222111997 has 2 divisors, whose sum is σ = 200002222111998. Its totient is φ = 200002222111996.

The previous prime is 200002222111969. The next prime is 200002222112023. The reversal of 200002222111997 is 799111222200002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190609750210201 + 9392471901796 = 13806149^2 + 3064714^2 .

It is a cyclic number.

It is not a de Polignac number, because 200002222111997 - 2²² = 200002217917693 is a prime.

It is a super-2 number, since 2×200002222111997² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200002222111997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200002222111397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100001111055998 + 100001111055999.

It is an arithmetic number, because the mean of its divisors is an integer number (100001111055999).

Almost surely, 2^{200002222111997} is an apocalyptic number.

It is an amenable number.

200002222111997 is a deficient number, since it is larger than the sum of its proper divisors (1).

200002222111997 is an equidigital number, since it uses as much as digits as its factorization.

200002222111997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

Adding to 200002222111997 its reverse (799111222200002), we get a palindrome (999113444311999).

The spelling of 200002222111997 in words is "two hundred trillion, two billion, two hundred twenty-two million, one hundred eleven thousand, nine hundred ninety-seven".