133121203003 has 4 divisors (see below), whose sum is σ = 133121940768. Its totient is φ = 133120465240.

The previous prime is 133121202997. The next prime is 133121203087. The reversal of 133121203003 is 300302121331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 133121203003 - 2¹⁷ = 133121071931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133121203093) 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, 102933 + ... + 526153.

It is an arithmetic number, because the mean of its divisors is an integer number (33280485192).

Almost surely, 2^133121203003 is an apocalyptic number.

133121203003 is a deficient number, since it is larger than the sum of its proper divisors (737765).

133121203003 is an equidigital number, since it uses as much as digits as its factorization.

133121203003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737764.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 133121203003 its reverse (300302121331), we get a palindrome (433423324334).

The spelling of 133121203003 in words is "one hundred thirty-three billion, one hundred twenty-one million, two hundred three thousand, three".