13110401443221 has 10 divisors (see below), whose sum is σ = 19584673760982. Its totient is φ = 8740267628760.

The previous prime is 13110401443211. The next prime is 13110401443231. The reversal of 13110401443221 is 12234410401131.

It is a happy number.

13110401443221 is a `hidden beast` number, since 1 + 31 + 1 + 0 + 401 + 4 + 4 + 3 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (13110401443211) and next prime (13110401443231).

It can be written as a sum of positive squares in only one way, i.e., 10319263194321 + 2791138248900 = 3212361^2 + 1670670^2 .

It is not a de Polignac number, because 13110401443221 - 2²⁵ = 13110367888789 is a prime.

It is a super-2 number, since 2×13110401443221² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13110401443211) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 80928403890 + ... + 80928404051.

Almost surely, 2^{13110401443221} is an apocalyptic number.

It is an amenable number.

13110401443221 is a deficient number, since it is larger than the sum of its proper divisors (6474272317761).

13110401443221 is an equidigital number, since it uses as much as digits as its factorization.

13110401443221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161856807953 (or 161856807944 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 13110401443221 its reverse (12234410401131), we get a palindrome (25344811844352).

The spelling of 13110401443221 in words is "thirteen trillion, one hundred ten billion, four hundred one million, four hundred forty-three thousand, two hundred twenty-one".