200212211012221 has 12 divisors (see below), whose sum is σ = 207368969080000. Its totient is φ = 193294521575568.

The previous prime is 200212211012201. The next prime is 200212211012239. The reversal of 200212211012221 is 122210112212002.

It is not a de Polignac number, because 200212211012221 - 2⁵ = 200212211012189 is a prime.

It is a super-2 number, since 2×200212211012221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212211012201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3270250 + ... + 20276068.

Almost surely, 2^{200212211012221} is an apocalyptic number.

It is an amenable number.

200212211012221 is a deficient number, since it is larger than the sum of its proper divisors (7156758067779).

200212211012221 is a wasteful number, since it uses less digits than its factorization.

200212211012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17019876 (or 17019847 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 200212211012221 its reverse (122210112212002), we get a palindrome (322422323224223).

The spelling of 200212211012221 in words is "two hundred trillion, two hundred twelve billion, two hundred eleven million, twelve thousand, two hundred twenty-one".