22222221111113 has 4 divisors (see below), whose sum is σ = 22222233048960. Its totient is φ = 22222209173268.

The previous prime is 22222221111049. The next prime is 22222221111121. The reversal of 22222221111113 is 31111112222222.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22222221111113 - 2⁶ = 22222221111049 is a prime.

It is a super-2 number, since 2×22222221111113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222221111173) 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, 2507633 + ... + 7122686.

It is an arithmetic number, because the mean of its divisors is an integer number (5555558262240).

Almost surely, 2^{22222221111113} is an apocalyptic number.

It is an amenable number.

22222221111113 is a deficient number, since it is larger than the sum of its proper divisors (11937847).

22222221111113 is an equidigital number, since it uses as much as digits as its factorization.

22222221111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11937846.

The product of its digits is 384, while the sum is 23.

Adding to 22222221111113 its reverse (31111112222222), we get a palindrome (53333333333335).

The spelling of 22222221111113 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred eleven thousand, one hundred thirteen".