200210000001221 has 64 divisors (see below), whose sum is σ = 236171550720000. Its totient is φ = 166196907717120.

The previous prime is 200210000001197. The next prime is 200210000001257. The reversal of 200210000001221 is 122100000012002.

It is a happy number.

200210000001221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200210000001221 - 2³⁸ = 199935122094277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210000004221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38435397665 + ... + 38435402873.

It is an arithmetic number, because the mean of its divisors is an integer number (3690180480000).

Almost surely, 2^{200210000001221} is an apocalyptic number.

It is an amenable number.

200210000001221 is a deficient number, since it is larger than the sum of its proper divisors (35961550718779).

200210000001221 is a wasteful number, since it uses less digits than its factorization.

200210000001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200210000001221 its reverse (122100000012002), we get a palindrome (322310000013223).

The spelling of 200210000001221 in words is "two hundred trillion, two hundred ten billion, one thousand, two hundred twenty-one".