2112011001 has 24 divisors (see below), whose sum is σ = 3068208000. Its totient is φ = 1399946112.

The previous prime is 2112010933. The next prime is 2112011017. The reversal of 2112011001 is 1001102112.

It is a happy number.

It is not a de Polignac number, because 2112011001 - 2¹⁵ = 2111978233 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2112011021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1417665 + ... + 1419153.

It is an arithmetic number, because the mean of its divisors is an integer number (127842000).

Almost surely, 2^2112011001 is an apocalyptic number.

It is an amenable number.

2112011001 is a deficient number, since it is larger than the sum of its proper divisors (956196999).

2112011001 is a wasteful number, since it uses less digits than its factorization.

2112011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293 (or 2290 counting only the distinct ones).

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

The square root of 2112011001 is about 45956.6208614167. The cubic root of 2112011001 is about 1283.0159596514.

Adding to 2112011001 its reverse (1001102112), we get a palindrome (3113113113).

The spelling of 2112011001 in words is "two billion, one hundred twelve million, eleven thousand, one".