1233221330221 has 8 divisors (see below), whose sum is σ = 1233603416480. Its totient is φ = 1232839314288.

The previous prime is 1233221330183. The next prime is 1233221330233. The reversal of 1233221330221 is 1220331223321.

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 1233221330221 - 2²³ = 1233212941613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233221334221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 73629970 + ... + 73646716.

It is an arithmetic number, because the mean of its divisors is an integer number (154200427060).

Almost surely, 2^{1233221330221} is an apocalyptic number.

It is an amenable number.

1233221330221 is a deficient number, since it is larger than the sum of its proper divisors (382086259).

1233221330221 is a wasteful number, since it uses less digits than its factorization.

1233221330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35163.

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

Adding to 1233221330221 its reverse (1220331223321), we get a palindrome (2453552553542).

The spelling of 1233221330221 in words is "one trillion, two hundred thirty-three billion, two hundred twenty-one million, three hundred thirty thousand, two hundred twenty-one".