1233213113221 has 8 divisors (see below), whose sum is σ = 1242608108000. Its totient is φ = 1223851613040.

The previous prime is 1233213113159. The next prime is 1233213113269. The reversal of 1233213113221 is 1223113123321.

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 1233213113221 - 2³³ = 1224623178629 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 (1233213113021) 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, 8299731 + ... + 8447008.

It is an arithmetic number, because the mean of its divisors is an integer number (155326013500).

Almost surely, 2^{1233213113221} is an apocalyptic number.

It is an amenable number.

1233213113221 is a deficient number, since it is larger than the sum of its proper divisors (9394994779).

1233213113221 is a wasteful number, since it uses less digits than its factorization.

1233213113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16747299.

The product of its digits is 1296, while the sum is 25.

Adding to 1233213113221 its reverse (1223113123321), we get a palindrome (2456326236542).

The spelling of 1233213113221 in words is "one trillion, two hundred thirty-three billion, two hundred thirteen million, one hundred thirteen thousand, two hundred twenty-one".