202212112201221 has 8 divisors (see below), whose sum is σ = 269797954158880. Its totient is φ = 134717172522192.

The previous prime is 202212112201207. The next prime is 202212112201237. The reversal of 202212112201221 is 122102211212202.

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

It is not a de Polignac number, because 202212112201221 - 2²⁶ = 202212045092357 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 (202212112201271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22725564466 + ... + 22725573363.

It is an arithmetic number, because the mean of its divisors is an integer number (33724744269860).

Almost surely, 2^{202212112201221} is an apocalyptic number.

It is an amenable number.

202212112201221 is a deficient number, since it is larger than the sum of its proper divisors (67585841957659).

202212112201221 is a wasteful number, since it uses less digits than its factorization.

202212112201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45451139315.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 202212112201221 its reverse (122102211212202), we get a palindrome (324314323413423).

The spelling of 202212112201221 in words is "two hundred two trillion, two hundred twelve billion, one hundred twelve million, two hundred one thousand, two hundred twenty-one".