2110001211009 has 24 divisors (see below), whose sum is σ = 3130397379200. Its totient is φ = 1368542119968.

The previous prime is 2110001210957. The next prime is 2110001211013. The reversal of 2110001211009 is 9001121000112.

It is a happy number.

It is not a de Polignac number, because 2110001211009 - 2⁷ = 2110001210881 is a prime.

It is a super-2 number, since 2×2110001211009² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110001210982 and 2110001211000.

It is not an unprimeable number, because it can be changed into a prime (2110001211089) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4120104 + ... + 4603830.

Almost surely, 2^{2110001211009} is an apocalyptic number.

It is an amenable number.

2110001211009 is a deficient number, since it is larger than the sum of its proper divisors (1020396168191).

2110001211009 is a wasteful number, since it uses less digits than its factorization.

2110001211009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496869 (or 496866 counting only the distinct ones).

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

The spelling of 2110001211009 in words is "two trillion, one hundred ten billion, one million, two hundred eleven thousand, nine".