11112211222113 has 8 divisors (see below), whose sum is σ = 14838764608800. Its totient is φ = 7396899325088.

The previous prime is 11112211222069. The next prime is 11112211222127. The reversal of 11112211222113 is 31122211221111.

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 11112211222113 - 2¹³ = 11112211213921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11112211222113.

It is not an unprimeable number, because it can be changed into a prime (11112211222613) 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, 2810370108 + ... + 2810374061.

It is an arithmetic number, because the mean of its divisors is an integer number (1854845576100).

Almost surely, 2^{11112211222113} is an apocalyptic number.

It is an amenable number.

11112211222113 is a deficient number, since it is larger than the sum of its proper divisors (3726553386687).

11112211222113 is an equidigital number, since it uses as much as digits as its factorization.

11112211222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620744831.

The product of its digits is 96, while the sum is 21.

Adding to 11112211222113 its reverse (31122211221111), we get a palindrome (42234422443224).

The spelling of 11112211222113 in words is "eleven trillion, one hundred twelve billion, two hundred eleven million, two hundred twenty-two thousand, one hundred thirteen".