11112121132 has 12 divisors (see below), whose sum is σ = 22224242320. Its totient is φ = 4762337616.

The previous prime is 11112121121. The next prime is 11112121157. The reversal of 11112121132 is 23112121111.

It is a happy number.

11112121132 is an admirable number.

It is a super-2 number, since 2×11112121132² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198430707 + ... + 198430762.

Almost surely, 2^11112121132 is an apocalyptic number.

It is an amenable number.

11112121132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11112121132 is a wasteful number, since it uses less digits than its factorization.

11112121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396861480 (or 396861478 counting only the distinct ones).

The product of its digits is 24, while the sum is 16.

Adding to 11112121132 its reverse (23112121111), we get a palindrome (34224242243).

The spelling of 11112121132 in words is "eleven billion, one hundred twelve million, one hundred twenty-one thousand, one hundred thirty-two".