21233303002103 has 4 divisors (see below), whose sum is σ = 21233396510040. Its totient is φ = 21233209494168.

The previous prime is 21233303001947. The next prime is 21233303002117. The reversal of 21233303002103 is 30120030333212.

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 21233303002103 - 2²⁸ = 21233034566647 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 (21233303002903) 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, 46412525 + ... + 46867782.

It is an arithmetic number, because the mean of its divisors is an integer number (5308349127510).

Almost surely, 2^{21233303002103} is an apocalyptic number.

21233303002103 is a deficient number, since it is larger than the sum of its proper divisors (93507937).

21233303002103 is an equidigital number, since it uses as much as digits as its factorization.

21233303002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93507936.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21233303002103 its reverse (30120030333212), we get a palindrome (51353333335315).

The spelling of 21233303002103 in words is "twenty-one trillion, two hundred thirty-three billion, three hundred three million, two thousand, one hundred three".