133121003123103 has 4 divisors (see below), whose sum is σ = 177494670830808. Its totient is φ = 88747335415400.

The previous prime is 133121003123077. The next prime is 133121003123183. The reversal of 133121003123103 is 301321300121331.

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 133121003123103 - 2³⁰ = 133119929381279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133121003123183) 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, 22186833853848 + ... + 22186833853853.

It is an arithmetic number, because the mean of its divisors is an integer number (44373667707702).

Almost surely, 2^{133121003123103} is an apocalyptic number.

133121003123103 is a deficient number, since it is larger than the sum of its proper divisors (44373667707705).

133121003123103 is an equidigital number, since it uses as much as digits as its factorization.

133121003123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44373667707704.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 133121003123103 its reverse (301321300121331), we get a palindrome (434442303244434).

The spelling of 133121003123103 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, three million, one hundred twenty-three thousand, one hundred three".