202212201101221 has 8 divisors (see below), whose sum is σ = 203116839624864. Its totient is φ = 201307683945360.

The previous prime is 202212201101219. The next prime is 202212201101279. The reversal of 202212201101221 is 122101102212202.

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 202212201101221 - 2¹ = 202212201101219 is a prime.

It is a super-3 number, since 3×202212201101221³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212201101021) 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, 27001450 + ... + 33667531.

It is an arithmetic number, because the mean of its divisors is an integer number (25389604953108).

Almost surely, 2^{202212201101221} is an apocalyptic number.

It is an amenable number.

202212201101221 is a deficient number, since it is larger than the sum of its proper divisors (904638523643).

202212201101221 is a wasteful number, since it uses less digits than its factorization.

202212201101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60683891.

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

Adding to 202212201101221 its reverse (122101102212202), we get a palindrome (324313303313423).

The spelling of 202212201101221 in words is "two hundred two trillion, two hundred twelve billion, two hundred one million, one hundred one thousand, two hundred twenty-one".