2112021140 has 24 divisors (see below), whose sum is σ = 4529613312. Its totient is φ = 826833440.

The previous prime is 2112021137. The next prime is 2112021143. The reversal of 2112021140 is 411202112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2112021137) and next prime (2112021143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112021143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122476 + ... + 1124355.

It is an arithmetic number, because the mean of its divisors is an integer number (188733888).

Almost surely, 2^2112021140 is an apocalyptic number.

2112021140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112021140 is an abundant number, since it is smaller than the sum of its proper divisors (2417592172).

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

2112021140 is a wasteful number, since it uses less digits than its factorization.

2112021140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246887 (or 2246885 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2112021140 is about 45956.7311718316. The cubic root of 2112021140 is about 1283.0180127464.

Adding to 2112021140 its reverse (411202112), we get a palindrome (2523223252).

The spelling of 2112021140 in words is "two billion, one hundred twelve million, twenty-one thousand, one hundred forty".