200210112212221 has 4 divisors (see below), whose sum is σ = 210747486539200. Its totient is φ = 189672737885244.

The previous prime is 200210112212207. The next prime is 200210112212269. The reversal of 200210112212221 is 122212211012002.

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 200210112212221 - 2⁵ = 200210112212189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 10537374326959 = 200210112212221 / (2 + 0 + 0 + 2 + 1 + 0 + 1 + 1 + 2 + 2 + 1 + 2 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210142212221) 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, 5268687163461 + ... + 5268687163498.

It is an arithmetic number, because the mean of its divisors is an integer number (52686871634800).

Almost surely, 2^{200210112212221} is an apocalyptic number.

It is an amenable number.

200210112212221 is a deficient number, since it is larger than the sum of its proper divisors (10537374326979).

200210112212221 is a wasteful number, since it uses less digits than its factorization.

200210112212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10537374326978.

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

Adding to 200210112212221 its reverse (122212211012002), we get a palindrome (322422323224223).

The spelling of 200210112212221 in words is "two hundred trillion, two hundred ten billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty-one".