212221133222 has 8 divisors (see below), whose sum is σ = 363807656976. Its totient is φ = 90951914232.

The previous prime is 212221133221. The next prime is 212221133227. The reversal of 212221133222 is 222331122212.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212221133221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7579326173 + ... + 7579326200.

It is an arithmetic number, because the mean of its divisors is an integer number (45475957122).

Almost surely, 2^212221133222 is an apocalyptic number.

212221133222 is a deficient number, since it is larger than the sum of its proper divisors (151586523754).

212221133222 is a wasteful number, since it uses less digits than its factorization.

212221133222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15158652382.

The product of its digits is 1152, while the sum is 23.

Adding to 212221133222 its reverse (222331122212), we get a palindrome (434552255434).

The spelling of 212221133222 in words is "two hundred twelve billion, two hundred twenty-one million, one hundred thirty-three thousand, two hundred twenty-two".