11111135422 has 16 divisors (see below), whose sum is σ = 16713327600. Its totient is φ = 5540048640.

The previous prime is 11111135407. The next prime is 11111135467. The reversal of 11111135422 is 22453111111.

It is a junction number, because it is equal to n+sod(n) for n = 11111135393 and 11111135402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145272 + ... + 1154932.

It is an arithmetic number, because the mean of its divisors is an integer number (1044582975).

Almost surely, 2^11111135422 is an apocalyptic number.

11111135422 is a deficient number, since it is larger than the sum of its proper divisors (5602192178).

11111135422 is an equidigital number, since it uses as much as digits as its factorization.

11111135422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11211.

The product of its digits is 240, while the sum is 22.

Adding to 11111135422 its reverse (22453111111), we get a palindrome (33564246533).

The spelling of 11111135422 in words is "eleven billion, one hundred eleven million, one hundred thirty-five thousand, four hundred twenty-two".