133130213020201 has 4 divisors (see below), whose sum is σ = 133132370189572. Its totient is φ = 133128055850832.

The previous prime is 133130213020187. The next prime is 133130213020223. The reversal of 133130213020201 is 102020312031331.

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 33711366210201 + 99418846810000 = 5806149^2 + 9970900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133130213020201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133130213020001) 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, 1078492110 + ... + 1078615543.

It is an arithmetic number, because the mean of its divisors is an integer number (33283092547393).

Almost surely, 2^{133130213020201} is an apocalyptic number.

It is an amenable number.

133130213020201 is a deficient number, since it is larger than the sum of its proper divisors (2157169371).

133130213020201 is an equidigital number, since it uses as much as digits as its factorization.

133130213020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157169370.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133130213020201 its reverse (102020312031331), we get a palindrome (235150525051532).

The spelling of 133130213020201 in words is "one hundred thirty-three trillion, one hundred thirty billion, two hundred thirteen million, twenty thousand, two hundred one".