2100213112 has 8 divisors (see below), whose sum is σ = 3937899600. Its totient is φ = 1050106552.

The previous prime is 2100213083. The next prime is 2100213119. The reversal of 2100213112 is 2113120012.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2100213092 and 2100213101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100213119) by changing a digit.

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 as a sum of consecutive naturals, namely, 131263312 + ... + 131263327.

It is an arithmetic number, because the mean of its divisors is an integer number (492237450).

Almost surely, 2^2100213112 is an apocalyptic number.

It is an amenable number.

2100213112 is a deficient number, since it is larger than the sum of its proper divisors (1837686488).

2100213112 is a wasteful number, since it uses less digits than its factorization.

2100213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262526645 (or 262526641 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2100213112 is about 45828.0821331201. The cubic root of 2100213112 is about 1280.6224820598.

Adding to 2100213112 its reverse (2113120012), we get a palindrome (4213333124).

The spelling of 2100213112 in words is "two billion, one hundred million, two hundred thirteen thousand, one hundred twelve".