2112297880 has 96 divisors (see below), whose sum is σ = 6031279440. Its totient is φ = 658371840.

The previous prime is 2112297857. The next prime is 2112297907. The reversal of 2112297880 is 887922112.

It is a Harshad number since it is a multiple of its sum of digits (40).

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 23 ways as a sum of consecutive naturals, for example, 27427 + ... + 70546.

Almost surely, 2^2112297880 is an apocalyptic number.

2112297880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112297880 is an abundant number, since it is smaller than the sum of its proper divisors (3918981560).

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

2112297880 is a wasteful number, since it uses less digits than its factorization.

2112297880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98009 (or 97998 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 2112297880 is about 45959.7419487969. The cubic root of 2112297880 is about 1283.0740486277.

It can be divided in two parts, 2112 and 297880, that added together give a palindrome (299992).

The spelling of 2112297880 in words is "two billion, one hundred twelve million, two hundred ninety-seven thousand, eight hundred eighty".