11131222108 has 12 divisors (see below), whose sum is σ = 19492080832. Its totient is φ = 5562056160.

The previous prime is 11131222097. The next prime is 11131222129. The reversal of 11131222108 is 80122213111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881673 + ... + 894208.

Almost surely, 2^11131222108 is an apocalyptic number.

It is an amenable number.

11131222108 is a deficient number, since it is larger than the sum of its proper divisors (8360858724).

11131222108 is a wasteful number, since it uses less digits than its factorization.

11131222108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777452 (or 1777450 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 11131222108 its reverse (80122213111), we get a palindrome (91253435219).

It can be divided in two parts, 1113 and 1222108, that added together give a palindrome (1223221).

The spelling of 11131222108 in words is "eleven billion, one hundred thirty-one million, two hundred twenty-two thousand, one hundred eight".