221313331113232 has 20 divisors (see below), whose sum is σ = 428794862363920. Its totient is φ = 110656592438688.

The previous prime is 221313331113223. The next prime is 221313331113257. The reversal of 221313331113232 is 232311133313122.

It is a junction number, because it is equal to n+sod(n) for n = 221313331113194 and 221313331113203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27017383 + ... + 34242745.

It is an arithmetic number, because the mean of its divisors is an integer number (21439743118196).

Almost surely, 2^{221313331113232} is an apocalyptic number.

It is an amenable number.

221313331113232 is a deficient number, since it is larger than the sum of its proper divisors (207481531250688).

221313331113232 is a wasteful number, since it uses less digits than its factorization.

221313331113232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9139750 (or 9139744 counting only the distinct ones).

The product of its digits is 11664, while the sum is 31.

Adding to 221313331113232 its reverse (232311133313122), we get a palindrome (453624464426354).

The spelling of 221313331113232 in words is "two hundred twenty-one trillion, three hundred thirteen billion, three hundred thirty-one million, one hundred thirteen thousand, two hundred thirty-two".