2111000211 has 60 divisors (see below), whose sum is σ = 3459128640. Its totient is φ = 1281381120.

The previous prime is 2111000197. The next prime is 2111000239. The reversal of 2111000211 is 1120001112.

It is a happy number.

It is not a de Polignac number, because 2111000211 - 2⁶ = 2111000147 is a prime.

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 = 2111000193 and 2111000202.

It is not an unprimeable number, because it can be changed into a prime (2111000261) 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 59 ways as a sum of consecutive naturals, for example, 724225 + ... + 727133.

It is an arithmetic number, because the mean of its divisors is an integer number (57652144).

Almost surely, 2^2111000211 is an apocalyptic number.

2111000211 is a deficient number, since it is larger than the sum of its proper divisors (1348128429).

2111000211 is a wasteful number, since it uses less digits than its factorization.

2111000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986 (or 2960 counting only the distinct ones).

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

The square root of 2111000211 is about 45945.6223268333. The cubic root of 2111000211 is about 1282.8112469163.

Adding to 2111000211 its reverse (1120001112), we get a palindrome (3231001323).

Subtracting from 2111000211 its reverse (1120001112), we obtain a palindrome (990999099).

The spelling of 2111000211 in words is "two billion, one hundred eleven million, two hundred eleven", and thus it is an aban number.