2110011001 has 18 divisors (see below), whose sum is σ = 2536290810. Its totient is φ = 1750200480.

The previous prime is 2110010993. The next prime is 2110011017. The reversal of 2110011001 is 1001100112.

It can be written as a sum of positive squares in only one way, i.e., 1940490601 + 169520400 = 44051^2 + 13020^2 .

It is not a de Polignac number, because 2110011001 - 2³ = 2110010993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2110011061) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24685 + ... + 69493.

It is an arithmetic number, because the mean of its divisors is an integer number (140905045).

Almost surely, 2^2110011001 is an apocalyptic number.

It is an amenable number.

2110011001 is a deficient number, since it is larger than the sum of its proper divisors (426279809).

2110011001 is an equidigital number, since it uses as much as digits as its factorization.

2110011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44885 (or 44847 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 2110011001 is about 45934.8560572470. The cubic root of 2110011001 is about 1282.6108414449.

Adding to 2110011001 its reverse (1001100112), we get a palindrome (3111111113).

The spelling of 2110011001 in words is "two billion, one hundred ten million, eleven thousand, one".