2100021010112 has 56 divisors (see below), whose sum is σ = 4180704099840. Its totient is φ = 1046620673280.

The previous prime is 2100021010097. The next prime is 2100021010141. The reversal of 2100021010112 is 2110101200012.

It is a junction number, because it is equal to n+sod(n) for n = 2100021010093 and 2100021010102.

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 7 ways as a sum of consecutive naturals, for example, 25129037 + ... + 25212467.

Almost surely, 2^{2100021010112} is an apocalyptic number.

It is an amenable number.

2100021010112 is a deficient number, since it is larger than the sum of its proper divisors (2080683089728).

2100021010112 is an equidigital number, since it uses as much as digits as its factorization.

2100021010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84709 (or 84699 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2100021010112 its reverse (2110101200012), we get a palindrome (4210122210124).

The spelling of 2100021010112 in words is "two trillion, one hundred billion, twenty-one million, ten thousand, one hundred twelve".