2221211111113 has 8 divisors (see below), whose sum is σ = 2224127263680. Its totient is φ = 2218295833680.

The previous prime is 2221211111111. The next prime is 2221211111149. The reversal of 2221211111113 is 3111111121222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221211111113 - 2¹ = 2221211111111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221211111111) 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, 4940478 + ... + 5371288.

It is an arithmetic number, because the mean of its divisors is an integer number (278015907960).

Almost surely, 2^{2221211111113} is an apocalyptic number.

It is an amenable number.

2221211111113 is a deficient number, since it is larger than the sum of its proper divisors (2916152567).

2221211111113 is an equidigital number, since it uses as much as digits as its factorization.

2221211111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437567.

The product of its digits is 48, while the sum is 19.

Adding to 2221211111113 its reverse (3111111121222), we get a palindrome (5332322232335).

The spelling of 2221211111113 in words is "two trillion, two hundred twenty-one billion, two hundred eleven million, one hundred eleven thousand, one hundred thirteen".