2112160140 has 36 divisors (see below), whose sum is σ = 6406886304. Its totient is φ = 563242656.

The previous prime is 2112160139. The next prime is 2112160147. The reversal of 2112160140 is 410612112.

2112160140 is a `hidden beast` number, since 2 + 1 + 1 + 21 + 601 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2112160140² = 8922440914009639200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2112160147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5866932 + ... + 5867291.

It is an arithmetic number, because the mean of its divisors is an integer number (177969064).

Almost surely, 2^2112160140 is an apocalyptic number.

2112160140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112160140 is an abundant number, since it is smaller than the sum of its proper divisors (4294726164).

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

2112160140 is a wasteful number, since it uses less digits than its factorization.

2112160140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11734238 (or 11734233 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 2112160140 is about 45958.2434390176. The cubic root of 2112160140 is about 1283.0461588649.

Adding to 2112160140 its reverse (410612112), we get a palindrome (2522772252).

The spelling of 2112160140 in words is "two billion, one hundred twelve million, one hundred sixty thousand, one hundred forty".