133033244214421 has 4 divisors (see below), whose sum is σ = 133240784377644. Its totient is φ = 132825704051200.

The previous prime is 133033244214341. The next prime is 133033244214433. The reversal of 133033244214421 is 124412442330331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126771588785521 + 6261655428900 = 11259289^2 + 2502330^2 .

It is a cyclic number.

It is not a de Polignac number, because 133033244214421 - 2¹⁵ = 133033244181653 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 (133033244614421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103770080650 + ... + 103770081931.

It is an arithmetic number, because the mean of its divisors is an integer number (33310196094411).

Almost surely, 2^{133033244214421} is an apocalyptic number.

It is an amenable number.

133033244214421 is a deficient number, since it is larger than the sum of its proper divisors (207540163223).

133033244214421 is an equidigital number, since it uses as much as digits as its factorization.

133033244214421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207540163222.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 133033244214421 its reverse (124412442330331), we get a palindrome (257445686544752).

The spelling of 133033244214421 in words is "one hundred thirty-three trillion, thirty-three billion, two hundred forty-four million, two hundred fourteen thousand, four hundred twenty-one".