20211233323103 has 4 divisors (see below), whose sum is σ = 20908172403240. Its totient is φ = 19514294242968.

The previous prime is 20211233323069. The next prime is 20211233323123. The reversal of 20211233323103 is 30132333211202.

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 20211233323103 - 2²⁸ = 20210964887647 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 (20211233323123) 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, 348469540025 + ... + 348469540082.

It is an arithmetic number, because the mean of its divisors is an integer number (5227043100810).

Almost surely, 2^{20211233323103} is an apocalyptic number.

20211233323103 is a deficient number, since it is larger than the sum of its proper divisors (696939080137).

20211233323103 is an equidigital number, since it uses as much as digits as its factorization.

20211233323103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696939080136.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20211233323103 its reverse (30132333211202), we get a palindrome (50343566534305).

The spelling of 20211233323103 in words is "twenty trillion, two hundred eleven billion, two hundred thirty-three million, three hundred twenty-three thousand, one hundred three".