2100211200112 has 80 divisors (see below), whose sum is σ = 4125330649440. Its totient is φ = 1035709710336.

The previous prime is 2100211200053. The next prime is 2100211200137. The reversal of 2100211200112 is 2110021120012.

It is a junction number, because it is equal to n+sod(n) for n = 2100211200092 and 2100211200101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663991843 + ... + 663995005.

It is an arithmetic number, because the mean of its divisors is an integer number (51566633118).

Almost surely, 2^{2100211200112} is an apocalyptic number.

It is an amenable number.

2100211200112 is a deficient number, since it is larger than the sum of its proper divisors (2025119449328).

2100211200112 is a wasteful number, since it uses less digits than its factorization.

2100211200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970 (or 4964 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2100211200112 its reverse (2110021120012), we get a palindrome (4210232320124).

The spelling of 2100211200112 in words is "two trillion, one hundred billion, two hundred eleven million, two hundred thousand, one hundred twelve".