11122111110111 has 8 divisors (see below), whose sum is σ = 14831274895920. Its totient is φ = 7413844032192.

The previous prime is 11122111110109. The next prime is 11122111110137. The reversal of 11122111110111 is 11101111122111.

It is a happy number.

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

It is not a de Polignac number, because 11122111110111 - 2¹ = 11122111110109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122111110101) 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, 224148030 + ... + 224197643.

It is an arithmetic number, because the mean of its divisors is an integer number (1853909361990).

Almost surely, 2^{11122111110111} is an apocalyptic number.

11122111110111 is a deficient number, since it is larger than the sum of its proper divisors (3709163785809).

11122111110111 is an equidigital number, since it uses as much as digits as its factorization.

11122111110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448353945.

The product of its (nonzero) digits is 4, while the sum is 15.

Adding to 11122111110111 its reverse (11101111122111), we get a palindrome (22223222232222).

The spelling of 11122111110111 in words is "eleven trillion, one hundred twenty-two billion, one hundred eleven million, one hundred ten thousand, one hundred eleven".