133203121430881 has 2 divisors, whose sum is σ = 133203121430882. Its totient is φ = 133203121430880.

The previous prime is 133203121430833. The next prime is 133203121431073. The reversal of 133203121430881 is 188034121302331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115234127600656 + 17968993830225 = 10734716^2 + 4238985^2 .

It is a cyclic number.

It is not a de Polignac number, because 133203121430881 - 2¹⁹ = 133203120906593 is a prime.

It is a super-2 number, since 2×133203121430881² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133203121430581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66601560715440 + 66601560715441.

It is an arithmetic number, because the mean of its divisors is an integer number (66601560715441).

Almost surely, 2^{133203121430881} is an apocalyptic number.

It is an amenable number.

133203121430881 is a deficient number, since it is larger than the sum of its proper divisors (1).

133203121430881 is an equidigital number, since it uses as much as digits as its factorization.

133203121430881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 133203121430881 in words is "one hundred thirty-three trillion, two hundred three billion, one hundred twenty-one million, four hundred thirty thousand, eight hundred eighty-one".