133020221353 has 2 divisors, whose sum is σ = 133020221354. Its totient is φ = 133020221352.

The previous prime is 133020221303. The next prime is 133020221407. The reversal of 133020221353 is 353122020331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66586189849 + 66434031504 = 258043^2 + 257748^2 .

It is an emirp because it is prime and its reverse (353122020331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133020221353 is a prime.

It is a super-2 number, since 2×133020221353² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133020221303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66510110676 + 66510110677.

It is an arithmetic number, because the mean of its divisors is an integer number (66510110677).

Almost surely, 2^133020221353 is an apocalyptic number.

It is an amenable number.

133020221353 is a deficient number, since it is larger than the sum of its proper divisors (1).

133020221353 is an equidigital number, since it uses as much as digits as its factorization.

133020221353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 133020221353 its reverse (353122020331), we get a palindrome (486142241684).

The spelling of 133020221353 in words is "one hundred thirty-three billion, twenty million, two hundred twenty-one thousand, three hundred fifty-three".