11311122 has 16 divisors (see below), whose sum is σ = 23234112. Its totient is φ = 3668400.

The previous prime is 11311117. The next prime is 11311123. The reversal of 11311122 is 22111311.

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 = 11311098 and 11311107.

It is not an unprimeable number, because it can be changed into a prime (11311123) 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, 25254 + ... + 25697.

It is an arithmetic number, because the mean of its divisors is an integer number (1452132).

Almost surely, 2^11311122 is an apocalyptic number.

11311122 is an abundant number, since it is smaller than the sum of its proper divisors (11922990).

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

11311122 is a wasteful number, since it uses less digits than its factorization.

11311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50993.

The product of its digits is 12, while the sum is 12.

The square root of 11311122 is about 3363.2011536630. The cubic root of 11311122 is about 224.4753008113.

Adding to 11311122 its reverse (22111311), we get a palindrome (33422433).

The spelling of 11311122 in words is "eleven million, three hundred eleven thousand, one hundred twenty-two".