13221121030 has 16 divisors (see below), whose sum is σ = 25628634864. Its totient is φ = 4881644640.

The previous prime is 13221121013. The next prime is 13221121057. The reversal of 13221121030 is 3012112231.

It is a junction number, because it is equal to n+sod(n) for n = 13221120995 and 13221121013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50850336 + ... + 50850595.

It is an arithmetic number, because the mean of its divisors is an integer number (1601789679).

Almost surely, 2^13221121030 is an apocalyptic number.

13221121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221121030 is a deficient number, since it is larger than the sum of its proper divisors (12407513834).

13221121030 is a wasteful number, since it uses less digits than its factorization.

13221121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101700951.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13221121030 its reverse (3012112231), we get a palindrome (16233233261).

The spelling of 13221121030 in words is "thirteen billion, two hundred twenty-one million, one hundred twenty-one thousand, thirty".