2221311212113 has 8 divisors (see below), whose sum is σ = 2672254089920. Its totient is φ = 1803771510480.

The previous prime is 2221311212093. The next prime is 2221311212117. The reversal of 2221311212113 is 3112121131222.

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 a de Polignac number, because none of the positive numbers 2^k-2221311212113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221311212117) 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, 8350793898 + ... + 8350794163.

It is an arithmetic number, because the mean of its divisors is an integer number (334031761240).

Almost surely, 2^{2221311212113} is an apocalyptic number.

It is an amenable number.

2221311212113 is a deficient number, since it is larger than the sum of its proper divisors (450942877807).

2221311212113 is a wasteful number, since it uses less digits than its factorization.

2221311212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16701588087.

The product of its digits is 288, while the sum is 22.

Adding to 2221311212113 its reverse (3112121131222), we get a palindrome (5333432343335).

The spelling of 2221311212113 in words is "two trillion, two hundred twenty-one billion, three hundred eleven million, two hundred twelve thousand, one hundred thirteen".