133321120103 has 4 divisors (see below), whose sum is σ = 133322299128. Its totient is φ = 133319941080.

The previous prime is 133321120069. The next prime is 133321120109. The reversal of 133321120103 is 301021123331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301021123331 = 140071 ⋅2149061.

It is a cyclic number.

It is not a de Polignac number, because 133321120103 - 2²⁸ = 133052684647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133321120109) 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, 399476 + ... + 652857.

It is an arithmetic number, because the mean of its divisors is an integer number (33330574782).

Almost surely, 2^133321120103 is an apocalyptic number.

133321120103 is a deficient number, since it is larger than the sum of its proper divisors (1179025).

133321120103 is a wasteful number, since it uses less digits than its factorization.

133321120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179024.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 133321120103 its reverse (301021123331), we get a palindrome (434342243434).

The spelling of 133321120103 in words is "one hundred thirty-three billion, three hundred twenty-one million, one hundred twenty thousand, one hundred three".