11122211121122 has 8 divisors (see below), whose sum is σ = 17258603463900. Its totient is φ = 5369343299824.

The previous prime is 11122211121107. The next prime is 11122211121173. The reversal of 11122211121122 is 22112111222111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10625311603201 + 496899517921 = 3259649^2 + 704911^2 .

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

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 = 11122211121094 and 11122211121103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95881130297 + ... + 95881130412.

Almost surely, 2^{11122211121122} is an apocalyptic number.

11122211121122 is a deficient number, since it is larger than the sum of its proper divisors (6136392342778).

11122211121122 is a wasteful number, since it uses less digits than its factorization.

11122211121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191762260740.

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

Adding to 11122211121122 its reverse (22112111222111), we get a palindrome (33234322343233).

The spelling of 11122211121122 in words is "eleven trillion, one hundred twenty-two billion, two hundred eleven million, one hundred twenty-one thousand, one hundred twenty-two".