11122111111122 has 48 divisors (see below), whose sum is σ = 27835016051232. Its totient is φ = 3172081599360.

The previous prime is 11122111111121. The next prime is 11122111111123. The reversal of 11122111111122 is 22111111122111.

It is an interprime number because it is at equal distance from previous prime (11122111111121) and next prime (11122111111123).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11122111111095 and 11122111111104.

It is not an unprimeable number, because it can be changed into a prime (11122111111121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1652122468 + ... + 1652129199.

It is an arithmetic number, because the mean of its divisors is an integer number (579896167734).

Almost surely, 2^{11122111111122} is an apocalyptic number.

11122111111122 is an abundant number, since it is smaller than the sum of its proper divisors (16712904940110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11122111111122 is a wasteful number, since it uses less digits than its factorization.

11122111111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304251703 (or 3304251700 counting only the distinct ones).

The product of its digits is 16, while the sum is 18.

Adding to 11122111111122 its reverse (22111111122111), we get a palindrome (33233222233233).

It can be divided in two parts, 111 and 22111111122, that multiplied together give a palindrome (2454333334542).

The spelling of 11122111111122 in words is "eleven trillion, one hundred twenty-two billion, one hundred eleven million, one hundred eleven thousand, one hundred twenty-two".