11222111112122 has 96 divisors (see below), whose sum is σ = 18634478353920. Its totient is φ = 5062127938560.

The previous prime is 11222111112019. The next prime is 11222111112151. The reversal of 11222111112122 is 22121111122211.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 11222111112094 and 11222111112103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 808327793 + ... + 808341675.

It is an arithmetic number, because the mean of its divisors is an integer number (194109149520).

Almost surely, 2^{11222111112122} is an apocalyptic number.

11222111112122 is a deficient number, since it is larger than the sum of its proper divisors (7412367241798).

11222111112122 is a wasteful number, since it uses less digits than its factorization.

11222111112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14376 (or 14359 counting only the distinct ones).

The product of its digits is 64, while the sum is 20.

Adding to 11222111112122 its reverse (22121111122211), we get a palindrome (33343222234333).

The spelling of 11222111112122 in words is "eleven trillion, two hundred twenty-two billion, one hundred eleven million, one hundred twelve thousand, one hundred twenty-two".