13220113001 has 2 divisors, whose sum is σ = 13220113002. Its totient is φ = 13220113000.

The previous prime is 13220112991. The next prime is 13220113007. The reversal of 13220113001 is 10031102231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9072753001 + 4147360000 = 95251^2 + 64400^2 .

It is a cyclic number.

It is not a de Polignac number, because 13220113001 - 2²² = 13215918697 is a prime.

It is not a weakly prime, because it can be changed into another prime (13220113007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610056500 + 6610056501.

It is an arithmetic number, because the mean of its divisors is an integer number (6610056501).

Almost surely, 2^13220113001 is an apocalyptic number.

It is an amenable number.

13220113001 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220113001 is an equidigital number, since it uses as much as digits as its factorization.

13220113001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13220113001 its reverse (10031102231), we get a palindrome (23251215232).

The spelling of 13220113001 in words is "thirteen billion, two hundred twenty million, one hundred thirteen thousand, one".