221132133322 has 4 divisors (see below), whose sum is σ = 331698199986. Its totient is φ = 110566066660.

The previous prime is 221132133311. The next prime is 221132133353. The reversal of 221132133322 is 223331231122.

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

It can be written as a sum of positive squares in only one way, i.e., 132292965841 + 88839167481 = 363721^2 + 298059^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55283033329 + ... + 55283033332.

Almost surely, 2^221132133322 is an apocalyptic number.

221132133322 is a deficient number, since it is larger than the sum of its proper divisors (110566066664).

221132133322 is a wasteful number, since it uses less digits than its factorization.

221132133322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110566066663.

The product of its digits is 2592, while the sum is 25.

Adding to 221132133322 its reverse (223331231122), we get a palindrome (444463364444).

The spelling of 221132133322 in words is "two hundred twenty-one billion, one hundred thirty-two million, one hundred thirty-three thousand, three hundred twenty-two".