11131233222 has 16 divisors (see below), whose sum is σ = 22270908672. Its totient is φ = 3709004040.

The previous prime is 11131233221. The next prime is 11131233283. The reversal of 11131233222 is 22233213111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131233221) 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, 334554 + ... + 366317.

It is an arithmetic number, because the mean of its divisors is an integer number (1391931792).

Almost surely, 2^11131233222 is an apocalyptic number.

11131233222 is an abundant number, since it is smaller than the sum of its proper divisors (11139675450).

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

11131233222 is a wasteful number, since it uses less digits than its factorization.

11131233222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703523.

The product of its digits is 432, while the sum is 21.

Adding to 11131233222 its reverse (22233213111), we get a palindrome (33364446333).

The spelling of 11131233222 in words is "eleven billion, one hundred thirty-one million, two hundred thirty-three thousand, two hundred twenty-two".