133311123220103 has 4 divisors (see below), whose sum is σ = 133395980715768. Its totient is φ = 133226265724440.

The previous prime is 133311123220097. The next prime is 133311123220123. The reversal of 133311123220103 is 301022321113331.

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 133311123220103 - 2³⁰ = 133310049478279 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 (133311123220123) 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, 42428745476 + ... + 42428748617.

It is an arithmetic number, because the mean of its divisors is an integer number (33348995178942).

Almost surely, 2^{133311123220103} is an apocalyptic number.

133311123220103 is a deficient number, since it is larger than the sum of its proper divisors (84857495665).

133311123220103 is an equidigital number, since it uses as much as digits as its factorization.

133311123220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84857495664.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 133311123220103 its reverse (301022321113331), we get a palindrome (434333444333434).

The spelling of 133311123220103 in words is "one hundred thirty-three trillion, three hundred eleven billion, one hundred twenty-three million, two hundred twenty thousand, one hundred three".