1333133223421 has 2 divisors, whose sum is σ = 1333133223422. Its totient is φ = 1333133223420.

The previous prime is 1333133223407. The next prime is 1333133223479. The reversal of 1333133223421 is 1243223313331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1246373520921 + 86759702500 = 1116411^2 + 294550^2 .

It is a cyclic number.

It is not a de Polignac number, because 1333133223421 - 2²¹ = 1333131126269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1333133224421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666566611710 + 666566611711.

It is an arithmetic number, because the mean of its divisors is an integer number (666566611711).

Almost surely, 2^{1333133223421} is an apocalyptic number.

It is an amenable number.

1333133223421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1333133223421 is an equidigital number, since it uses as much as digits as its factorization.

1333133223421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 31.

Adding to 1333133223421 its reverse (1243223313331), we get a palindrome (2576356536752).

The spelling of 1333133223421 in words is "one trillion, three hundred thirty-three billion, one hundred thirty-three million, two hundred twenty-three thousand, four hundred twenty-one".