202212002221221 has 8 divisors (see below), whose sum is σ = 271674140389344. Its totient is φ = 133778932766960.

The previous prime is 202212002221129. The next prime is 202212002221249. The reversal of 202212002221221 is 122122200212202.

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 202212002221221 - 2¹⁰ = 202212002220197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212002221721) 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, 257267178006 + ... + 257267178791.

It is an arithmetic number, because the mean of its divisors is an integer number (33959267548668).

Almost surely, 2^{202212002221221} is an apocalyptic number.

It is an amenable number.

202212002221221 is a deficient number, since it is larger than the sum of its proper divisors (69462138168123).

202212002221221 is a wasteful number, since it uses less digits than its factorization.

202212002221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514534356931.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202212002221221 its reverse (122122200212202), we get a palindrome (324334202433423).

The spelling of 202212002221221 in words is "two hundred two trillion, two hundred twelve billion, two million, two hundred twenty-one thousand, two hundred twenty-one".