13221132311023 has 16 divisors (see below), whose sum is σ = 16307769378880. Its totient is φ = 10437786199296.

The previous prime is 13221132310999. The next prime is 13221132311041. The reversal of 13221132311023 is 32011323112231.

It is a cyclic number.

It is not a de Polignac number, because 13221132311023 - 2⁴¹ = 11022109055471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221132312023) 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, 158915928 + ... + 158999101.

It is an arithmetic number, because the mean of its divisors is an integer number (1019235586180).

Almost surely, 2^{13221132311023} is an apocalyptic number.

13221132311023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13221132311023 is a deficient number, since it is larger than the sum of its proper divisors (3086637067857).

13221132311023 is a wasteful number, since it uses less digits than its factorization.

13221132311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317915506.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13221132311023 its reverse (32011323112231), we get a palindrome (45232455423254).

The spelling of 13221132311023 in words is "thirteen trillion, two hundred twenty-one billion, one hundred thirty-two million, three hundred eleven thousand, twenty-three".