1112122120 has 32 divisors (see below), whose sum is σ = 2504517120. Its totient is φ = 444450240.

The previous prime is 1112122103. The next prime is 1112122147. The reversal of 1112122120 is 212212111.

It is a self number, because there is not a number n which added to its sum of digits gives 1112122120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34969 + ... + 58711.

It is an arithmetic number, because the mean of its divisors is an integer number (78266160).

Almost surely, 2^1112122120 is an apocalyptic number.

1112122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112122120 is an abundant number, since it is smaller than the sum of its proper divisors (1392395000).

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

1112122120 is a wasteful number, since it uses less digits than its factorization.

1112122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24925 (or 24921 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1112122120 is about 33348.4950185162. The cubic root of 1112122120 is about 1036.0582173871.

Adding to 1112122120 its reverse (212212111), we get a palindrome (1324334231).

The spelling of 1112122120 in words is "one billion, one hundred twelve million, one hundred twenty-two thousand, one hundred twenty".