212221133302 has 4 divisors (see below), whose sum is σ = 318331699956. Its totient is φ = 106110566650.

The previous prime is 212221133297. The next prime is 212221133303. The reversal of 212221133302 is 203331122212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212221133303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53055283324 + ... + 53055283327.

It is an arithmetic number, because the mean of its divisors is an integer number (79582924989).

Almost surely, 2^212221133302 is an apocalyptic number.

212221133302 is a deficient number, since it is larger than the sum of its proper divisors (106110566654).

212221133302 is a wasteful number, since it uses less digits than its factorization.

212221133302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106110566653.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212221133302 its reverse (203331122212), we get a palindrome (415552255514).

The spelling of 212221133302 in words is "two hundred twelve billion, two hundred twenty-one million, one hundred thirty-three thousand, three hundred two".