1333123320221 has 12 divisors (see below), whose sum is σ = 1674667312416. Its totient is φ = 1038797391720.

The previous prime is 1333123320209. The next prime is 1333123320251. The reversal of 1333123320221 is 1220233213331.

It is not a de Polignac number, because 1333123320221 - 2⁶ = 1333123320157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333123320251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 786966875 + ... + 786968568.

It is an arithmetic number, because the mean of its divisors is an integer number (139555609368).

Almost surely, 2^{1333123320221} is an apocalyptic number.

1333123320221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1333123320221 is a deficient number, since it is larger than the sum of its proper divisors (341543992195).

1333123320221 is a wasteful number, since it uses less digits than its factorization.

1333123320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573935472 (or 1573935461 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1333123320221 its reverse (1220233213331), we get a palindrome (2553356533552).

The spelling of 1333123320221 in words is "one trillion, three hundred thirty-three billion, one hundred twenty-three million, three hundred twenty thousand, two hundred twenty-one".