133332311221001 has 4 divisors (see below), whose sum is σ = 133454298698052. Its totient is φ = 133210323743952.

The previous prime is 133332311220947. The next prime is 133332311221009. The reversal of 133332311221001 is 100122113233331.

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 93343635425401 + 39988675795600 = 9661451^2 + 6323660^2 .

It is a cyclic number.

It is not a de Polignac number, because 133332311221001 - 2¹⁰ = 133332311219977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133332311221009) 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, 60993736886 + ... + 60993739071.

It is an arithmetic number, because the mean of its divisors is an integer number (33363574674513).

Almost surely, 2^{133332311221001} is an apocalyptic number.

It is an amenable number.

133332311221001 is a deficient number, since it is larger than the sum of its proper divisors (121987477051).

133332311221001 is a wasteful number, since it uses less digits than its factorization.

133332311221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121987477050.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 133332311221001 its reverse (100122113233331), we get a palindrome (233454424454332).

The spelling of 133332311221001 in words is "one hundred thirty-three trillion, three hundred thirty-two billion, three hundred eleven million, two hundred twenty-one thousand, one".