133223203011121 has 4 divisors (see below), whose sum is σ = 135481223401200. Its totient is φ = 130965182621044.

The previous prime is 133223203011109. The next prime is 133223203011137. The reversal of 133223203011121 is 121110302322331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133223203011121 - 2⁴³ = 124427109988913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133223203011181) 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, 1129010194951 + ... + 1129010195068.

It is an arithmetic number, because the mean of its divisors is an integer number (33870305850300).

Almost surely, 2^{133223203011121} is an apocalyptic number.

It is an amenable number.

133223203011121 is a deficient number, since it is larger than the sum of its proper divisors (2258020390079).

133223203011121 is an equidigital number, since it uses as much as digits as its factorization.

133223203011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258020390078.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 133223203011121 its reverse (121110302322331), we get a palindrome (254333505333452).

The spelling of 133223203011121 in words is "one hundred thirty-three trillion, two hundred twenty-three billion, two hundred three million, eleven thousand, one hundred twenty-one".