200201211012221 has 4 divisors (see below), whose sum is σ = 200201480628000. Its totient is φ = 200200941396444.

The previous prime is 200201211012203. The next prime is 200201211012223. The reversal of 200201211012221 is 122210112102002.

200201211012221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200201211012221 - 2⁴² = 195803164501117 is a prime.

It is a super-2 number, since 2×200201211012221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200201211012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200201211012223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133690991 + ... + 135180188.

It is an arithmetic number, because the mean of its divisors is an integer number (50050370157000).

Almost surely, 2^{200201211012221} is an apocalyptic number.

It is an amenable number.

200201211012221 is a deficient number, since it is larger than the sum of its proper divisors (269615779).

200201211012221 is an equidigital number, since it uses as much as digits as its factorization.

200201211012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269615778.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200201211012221 its reverse (122210112102002), we get a palindrome (322411323114223).

The spelling of 200201211012221 in words is "two hundred trillion, two hundred one billion, two hundred eleven million, twelve thousand, two hundred twenty-one".