133220201121211 has 4 divisors (see below), whose sum is σ = 135478170631800. Its totient is φ = 130962231610624.

The previous prime is 133220201121209. The next prime is 133220201121229. The reversal of 133220201121211 is 112121102022331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 133220201121211 - 2¹ = 133220201121209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133220201121611) 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, 1128984755206 + ... + 1128984755323.

It is an arithmetic number, because the mean of its divisors is an integer number (33869542657950).

Almost surely, 2^{133220201121211} is an apocalyptic number.

133220201121211 is a deficient number, since it is larger than the sum of its proper divisors (2257969510589).

133220201121211 is an equidigital number, since it uses as much as digits as its factorization.

133220201121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257969510588.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 133220201121211 its reverse (112121102022331), we get a palindrome (245341303143542).

The spelling of 133220201121211 in words is "one hundred thirty-three trillion, two hundred twenty billion, two hundred one million, one hundred twenty-one thousand, two hundred eleven".