1112121132 has 12 divisors (see below), whose sum is σ = 2594949336. Its totient is φ = 370707040.

The previous prime is 1112121107. The next prime is 1112121161. The reversal of 1112121132 is 2311212111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1112121132² = 2473626824481922848, which contains 22 as substring.

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

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, 46338369 + ... + 46338392.

It is an arithmetic number, because the mean of its divisors is an integer number (216245778).

Almost surely, 2^1112121132 is an apocalyptic number.

1112121132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112121132 is an abundant number, since it is smaller than the sum of its proper divisors (1482828204).

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

1112121132 is a wasteful number, since it uses less digits than its factorization.

1112121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92676768 (or 92676766 counting only the distinct ones).

The product of its digits is 24, while the sum is 15.

The square root of 1112121132 is about 33348.4802052507. The cubic root of 1112121132 is about 1036.0579105785.

Adding to 1112121132 its reverse (2311212111), we get a palindrome (3423333243).

The spelling of 1112121132 in words is "one billion, one hundred twelve million, one hundred twenty-one thousand, one hundred thirty-two".