13101331233221 has 32 divisors (see below), whose sum is σ = 16430457415680. Its totient is φ = 10148658465600.

The previous prime is 13101331233197. The next prime is 13101331233233. The reversal of 13101331233221 is 12233213310131.

It is a cyclic number.

It is not a de Polignac number, because 13101331233221 - 2⁶ = 13101331233157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13101331233281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44938895 + ... + 45229491.

It is an arithmetic number, because the mean of its divisors is an integer number (513451794240).

Almost surely, 2^{13101331233221} is an apocalyptic number.

13101331233221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13101331233221 is a deficient number, since it is larger than the sum of its proper divisors (3329126182459).

13101331233221 is a wasteful number, since it uses less digits than its factorization.

13101331233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294065.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13101331233221 its reverse (12233213310131), we get a palindrome (25334544543352).

The spelling of 13101331233221 in words is "thirteen trillion, one hundred one billion, three hundred thirty-one million, two hundred thirty-three thousand, two hundred twenty-one".