210001100112 has 60 divisors (see below), whose sum is σ = 588889392000. Its totient is φ = 69860061504.

The previous prime is 210001100107. The next prime is 210001100143. The reversal of 210001100112 is 211001100012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 210001100094 and 210001100103.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1389408 + ... + 1533119.

It is an arithmetic number, because the mean of its divisors is an integer number (9814823200).

Almost surely, 2^210001100112 is an apocalyptic number.

It is an amenable number.

210001100112 is an abundant number, since it is smaller than the sum of its proper divisors (378888291888).

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

210001100112 is a wasteful number, since it uses less digits than its factorization.

210001100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923040 (or 2923031 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 210001100112 its reverse (211001100012), we get a palindrome (421002200124).

The spelling of 210001100112 in words is "two hundred ten billion, one million, one hundred thousand, one hundred twelve".