200212010111221 has 2 divisors, whose sum is σ = 200212010111222. Its totient is φ = 200212010111220.

The previous prime is 200212010111219. The next prime is 200212010111227. The reversal of 200212010111221 is 122111010212002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150269718987025 + 49942291124196 = 12258455^2 + 7066986^2 .

It is a cyclic number.

It is not a de Polignac number, because 200212010111221 - 2¹ = 200212010111219 is a prime.

It is a super-2 number, since 2×200212010111221² (a number of 29 digits) contains 22 as substring.

Together with 200212010111219, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 200212010111195 and 200212010111204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200212010111227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100106005055610 + 100106005055611.

It is an arithmetic number, because the mean of its divisors is an integer number (100106005055611).

Almost surely, 2^{200212010111221} is an apocalyptic number.

It is an amenable number.

200212010111221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200212010111221 is an equidigital number, since it uses as much as digits as its factorization.

200212010111221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 200212010111221 its reverse (122111010212002), we get a palindrome (322323020323223).

The spelling of 200212010111221 in words is "two hundred trillion, two hundred twelve billion, ten million, one hundred eleven thousand, two hundred twenty-one".