21233302103 has 16 divisors (see below), whose sum is σ = 23252253696. Its totient is φ = 19270954080.

The previous prime is 21233302093. The next prime is 21233302109. The reversal of 21233302103 is 30120333212.

It is a cyclic number.

It is not a de Polignac number, because 21233302103 - 2⁴ = 21233302087 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 (21233302109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307400 + ... + 370082.

It is an arithmetic number, because the mean of its divisors is an integer number (1453265856).

Almost surely, 2^21233302103 is an apocalyptic number.

21233302103 is a deficient number, since it is larger than the sum of its proper divisors (2018951593).

21233302103 is a wasteful number, since it uses less digits than its factorization.

21233302103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63134.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21233302103 its reverse (30120333212), we get a palindrome (51353635315).

The spelling of 21233302103 in words is "twenty-one billion, two hundred thirty-three million, three hundred two thousand, one hundred three".