1112021140 has 24 divisors (see below), whose sum is σ = 2338116480. Its totient is φ = 444261408.

The previous prime is 1112021137. The next prime is 1112021171. The reversal of 1112021140 is 411202111.

It is a super-3 number, since 3×1112021140³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1112021140.

It is a congruent number.

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, 17320 + ... + 50239.

It is an arithmetic number, because the mean of its divisors is an integer number (97421520).

Almost surely, 2^1112021140 is an apocalyptic number.

1112021140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112021140 is an abundant number, since it is smaller than the sum of its proper divisors (1226095340).

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

1112021140 is a wasteful number, since it uses less digits than its factorization.

1112021140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68391 (or 68389 counting only the distinct ones).

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

The square root of 1112021140 is about 33346.9809727957. The cubic root of 1112021140 is about 1036.0268586230.

Adding to 1112021140 its reverse (411202111), we get a palindrome (1523223251).

The spelling of 1112021140 in words is "one billion, one hundred twelve million, twenty-one thousand, one hundred forty".