202221100221121 has 8 divisors (see below), whose sum is σ = 202274024120000. Its totient is φ = 202168179242640.

The previous prime is 202221100221113. The next prime is 202221100221131. The reversal of 202221100221121 is 121122001122202.

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 202221100221121 - 2³ = 202221100221113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202221100221131) 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, 141386356 + ... + 142809466.

It is an arithmetic number, because the mean of its divisors is an integer number (25284253015000).

Almost surely, 2^{202221100221121} is an apocalyptic number.

It is an amenable number.

202221100221121 is a deficient number, since it is larger than the sum of its proper divisors (52923898879).

202221100221121 is a wasteful number, since it uses less digits than its factorization.

202221100221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460199.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202221100221121 its reverse (121122001122202), we get a palindrome (323343101343323).

The spelling of 202221100221121 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred million, two hundred twenty-one thousand, one hundred twenty-one".