202200100211221 has 8 divisors (see below), whose sum is σ = 231193964454080. Its totient is φ = 173233269878688.

The previous prime is 202200100211173. The next prime is 202200100211231. The reversal of 202200100211221 is 122112001002202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202200100211221 - 2¹⁹ = 202200099686933 is a prime.

It is a super-3 number, since 3×202200100211221³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202200100211195 and 202200100211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202200100211231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6758461551 + ... + 6758491468.

It is an arithmetic number, because the mean of its divisors is an integer number (28899245556760).

Almost surely, 2^{202200100211221} is an apocalyptic number.

It is an amenable number.

202200100211221 is a deficient number, since it is larger than the sum of its proper divisors (28993864242859).

202200100211221 is a wasteful number, since it uses less digits than its factorization.

202200100211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13516955163.

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

Adding to 202200100211221 its reverse (122112001002202), we get a palindrome (324312101213423).

The spelling of 202200100211221 in words is "two hundred two trillion, two hundred billion, one hundred million, two hundred eleven thousand, two hundred twenty-one".