133121112011203 has 4 divisors (see below), whose sum is σ = 135632831105808. Its totient is φ = 130609392916600.

The previous prime is 133121112011183. The next prime is 133121112011263. The reversal of 133121112011203 is 302110211121331.

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 133121112011203 - 2¹⁷ = 133121111880131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133121112011263) 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, 1255859547223 + ... + 1255859547328.

It is an arithmetic number, because the mean of its divisors is an integer number (33908207776452).

Almost surely, 2^{133121112011203} is an apocalyptic number.

133121112011203 is a deficient number, since it is larger than the sum of its proper divisors (2511719094605).

133121112011203 is an equidigital number, since it uses as much as digits as its factorization.

133121112011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511719094604.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 133121112011203 its reverse (302110211121331), we get a palindrome (435231323132534).

The spelling of 133121112011203 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, one hundred twelve million, eleven thousand, two hundred three".