200220021211221 has 36 divisors (see below), whose sum is σ = 317892056358240. Its totient is φ = 121344053833200.

The previous prime is 200220021211139. The next prime is 200220021211271. The reversal of 200220021211221 is 122112120022002.

It is a happy number.

200220021211221 is a `hidden beast` number, since 2 + 0 + 0 + 220 + 0 + 212 + 11 + 221 = 666.

200220021211221 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 200220021211221 - 2²¹ = 200220019114069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200220021211194 and 200220021211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200220021211271) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 96538510 + ... + 98590688.

It is an arithmetic number, because the mean of its divisors is an integer number (8830334898840).

Almost surely, 2^{200220021211221} is an apocalyptic number.

It is an amenable number.

200220021211221 is a deficient number, since it is larger than the sum of its proper divisors (117672035147019).

200220021211221 is a wasteful number, since it uses less digits than its factorization.

200220021211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141798 (or 2141784 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200220021211221 its reverse (122112120022002), we get a palindrome (322332141233223).

The spelling of 200220021211221 in words is "two hundred trillion, two hundred twenty billion, twenty-one million, two hundred eleven thousand, two hundred twenty-one".