13011023103221 has 8 divisors (see below), whose sum is σ = 15285677492064. Its totient is φ = 10918341065520.

The previous prime is 13011023103167. The next prime is 13011023103229. The reversal of 13011023103221 is 12230132011031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13011023103221 - 2¹⁸ = 13011022841077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13011023103193 and 13011023103202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011023103229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45493087631 + ... + 45493087916.

It is an arithmetic number, because the mean of its divisors is an integer number (1910709686508).

Almost surely, 2^{13011023103221} is an apocalyptic number.

13011023103221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13011023103221 is a deficient number, since it is larger than the sum of its proper divisors (2274654388843).

13011023103221 is a wasteful number, since it uses less digits than its factorization.

13011023103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90986175571.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13011023103221 its reverse (12230132011031), we get a palindrome (25241155114252).

The spelling of 13011023103221 in words is "thirteen trillion, eleven billion, twenty-three million, one hundred three thousand, two hundred twenty-one".