200211122212221 has 16 divisors (see below), whose sum is σ = 282651734749824. Its totient is φ = 125622336612864.

The previous prime is 200211122212219. The next prime is 200211122212223. The reversal of 200211122212221 is 122212221112002.

It is an interprime number because it is at equal distance from previous prime (200211122212219) and next prime (200211122212223).

It is not a de Polignac number, because 200211122212221 - 2¹ = 200211122212219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211122212223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15371721 + ... + 25233153.

It is an arithmetic number, because the mean of its divisors is an integer number (17665733421864).

Almost surely, 2^{200211122212221} is an apocalyptic number.

It is an amenable number.

200211122212221 is a deficient number, since it is larger than the sum of its proper divisors (82440612537603).

200211122212221 is a wasteful number, since it uses less digits than its factorization.

200211122212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10259540.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 200211122212221 its reverse (122212221112002), we get a palindrome (322423343324223).

The spelling of 200211122212221 in words is "two hundred trillion, two hundred eleven billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twenty-one".