11131232222 has 32 divisors (see below), whose sum is σ = 19313199360. Its totient is φ = 4755358080.

The previous prime is 11131232219. The next prime is 11131232243. The reversal of 11131232222 is 22223213111.

It is a junction number, because it is equal to n+sod(n) for n = 11131232194 and 11131232203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251429 + ... + 292367.

It is an arithmetic number, because the mean of its divisors is an integer number (603537480).

Almost surely, 2^11131232222 is an apocalyptic number.

11131232222 is a deficient number, since it is larger than the sum of its proper divisors (8181967138).

11131232222 is a wasteful number, since it uses less digits than its factorization.

11131232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41696.

The product of its digits is 288, while the sum is 20.

Adding to 11131232222 its reverse (22223213111), we get a palindrome (33354445333).

The spelling of 11131232222 in words is "eleven billion, one hundred thirty-one million, two hundred thirty-two thousand, two hundred twenty-two".