13233103221 has 16 divisors (see below), whose sum is σ = 19008319680. Its totient is φ = 8140473600.

The previous prime is 13233103183. The next prime is 13233103231. The reversal of 13233103221 is 12230133231.

It is a de Polignac number, because none of the positive numbers 2^k-13233103221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233103231) 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, 48670 + ... + 169808.

It is an arithmetic number, because the mean of its divisors is an integer number (1188019980).

Almost surely, 2^13233103221 is an apocalyptic number.

It is an amenable number.

13233103221 is a deficient number, since it is larger than the sum of its proper divisors (5775216459).

13233103221 is a wasteful number, since it uses less digits than its factorization.

13233103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123956.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13233103221 its reverse (12230133231), we get a palindrome (25463236452).

The spelling of 13233103221 in words is "thirteen billion, two hundred thirty-three million, one hundred three thousand, two hundred twenty-one".