200210211221021 has 16 divisors (see below), whose sum is σ = 204150364739328. Its totient is φ = 196309825689600.

The previous prime is 200210211221011. The next prime is 200210211221131. The reversal of 200210211221021 is 120122112012002.

It is a cyclic number.

It is not a de Polignac number, because 200210211221021 - 2²² = 200210207026717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200210211221011) 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, 22136636 + ... + 29840426.

It is an arithmetic number, because the mean of its divisors is an integer number (12759397796208).

Almost surely, 2^{200210211221021} is an apocalyptic number.

It is an amenable number.

200210211221021 is a deficient number, since it is larger than the sum of its proper divisors (3940153518307).

200210211221021 is a wasteful number, since it uses less digits than its factorization.

200210211221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7706372.

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

Adding to 200210211221021 its reverse (120122112012002), we get a palindrome (320332323233023).

The spelling of 200210211221021 in words is "two hundred trillion, two hundred ten billion, two hundred eleven million, two hundred twenty-one thousand, twenty-one".