12212211113113 has 4 divisors (see below), whose sum is σ = 13322412123408. Its totient is φ = 11102010102820.

The previous prime is 12212211113077. The next prime is 12212211113119. The reversal of 12212211113113 is 31131111221221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212211113113 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212211113119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555100505131 + ... + 555100505152.

It is an arithmetic number, because the mean of its divisors is an integer number (3330603030852).

Almost surely, 2^{12212211113113} is an apocalyptic number.

It is an amenable number.

12212211113113 is a deficient number, since it is larger than the sum of its proper divisors (1110201010295).

12212211113113 is a wasteful number, since it uses less digits than its factorization.

12212211113113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110201010294.

The product of its digits is 144, while the sum is 22.

Adding to 12212211113113 its reverse (31131111221221), we get a palindrome (43343322334334).

The spelling of 12212211113113 in words is "twelve trillion, two hundred twelve billion, two hundred eleven million, one hundred thirteen thousand, one hundred thirteen".