210112011009 has 6 divisors (see below), whose sum is σ = 303495127026. Its totient is φ = 140074674000.

The previous prime is 210112011001. The next prime is 210112011019. The reversal of 210112011009 is 900110211012.

It is a happy number.

210112011009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 129220118784 + 80891892225 = 359472^2 + 284415^2 .

It is not a de Polignac number, because 210112011009 - 2³ = 210112011001 is a prime.

It is a super-2 number, since 2×210112011009² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210112010982 and 210112011000.

It is not an unprimeable number, because it can be changed into a prime (210112011001) 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 in 5 ways as a sum of consecutive naturals, for example, 11672889492 + ... + 11672889509.

It is an arithmetic number, because the mean of its divisors is an integer number (50582521171).

Almost surely, 2^210112011009 is an apocalyptic number.

It is an amenable number.

210112011009 is a deficient number, since it is larger than the sum of its proper divisors (93383116017).

210112011009 is a wasteful number, since it uses less digits than its factorization.

210112011009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23345779007 (or 23345779004 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 210112011009 in words is "two hundred ten billion, one hundred twelve million, eleven thousand, nine".