200220121010221 has 16 divisors (see below), whose sum is σ = 215987610384000. Its totient is φ = 184504926086208.

The previous prime is 200220121010177. The next prime is 200220121010249. The reversal of 200220121010221 is 122010121022002.

It is a happy number.

It is not a de Polignac number, because 200220121010221 - 2⁷ = 200220121010093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200220121010195 and 200220121010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200220121010291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297274975 + ... + 297947731.

It is an arithmetic number, because the mean of its divisors is an integer number (13499225649000).

Almost surely, 2^{200220121010221} is an apocalyptic number.

It is an amenable number.

200220121010221 is a deficient number, since it is larger than the sum of its proper divisors (15767489373779).

200220121010221 is a wasteful number, since it uses less digits than its factorization.

200220121010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711588.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200220121010221 its reverse (122010121022002), we get a palindrome (322230242032223).

The spelling of 200220121010221 in words is "two hundred trillion, two hundred twenty billion, one hundred twenty-one million, ten thousand, two hundred twenty-one".