13021310222111 has 4 divisors (see below), whose sum is σ = 13028138388792. Its totient is φ = 13014482055432.

The previous prime is 13021310222051. The next prime is 13021310222189. The reversal of 13021310222111 is 11122201312031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13021310222111 - 2⁶ = 13021310222047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021310222191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3414080480 + ... + 3414084293.

It is an arithmetic number, because the mean of its divisors is an integer number (3257034597198).

Almost surely, 2^{13021310222111} is an apocalyptic number.

13021310222111 is a deficient number, since it is larger than the sum of its proper divisors (6828166681).

13021310222111 is an equidigital number, since it uses as much as digits as its factorization.

13021310222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6828166680.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 13021310222111 its reverse (11122201312031), we get a palindrome (24143511534142).

The spelling of 13021310222111 in words is "thirteen trillion, twenty-one billion, three hundred ten million, two hundred twenty-two thousand, one hundred eleven".