1333123322221 has 8 divisors (see below), whose sum is σ = 1365677873784. Its totient is φ = 1300570644480.

The previous prime is 1333123322213. The next prime is 1333123322227. The reversal of 1333123322221 is 1222233213331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 169715161225 + 1163408160996 = 411965^2 + 1078614^2 .

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 1333123322221 - 2³ = 1333123322213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1333123322221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333123322227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029591 + ... + 1930363.

It is an arithmetic number, because the mean of its divisors is an integer number (170709734223).

Almost surely, 2^{1333123322221} is an apocalyptic number.

It is an amenable number.

1333123322221 is a deficient number, since it is larger than the sum of its proper divisors (32554551563).

1333123322221 is an equidigital number, since it uses as much as digits as its factorization.

1333123322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936911.

The product of its digits is 7776, while the sum is 28.

Adding to 1333123322221 its reverse (1222233213331), we get a palindrome (2555356535552).

The spelling of 1333123322221 in words is "one trillion, three hundred thirty-three billion, one hundred twenty-three million, three hundred twenty-two thousand, two hundred twenty-one".