2111320211 has 48 divisors (see below), whose sum is σ = 2883962880. Its totient is φ = 1500744960.

The previous prime is 2111320171. The next prime is 2111320217. The reversal of 2111320211 is 1120231112.

It is not a de Polignac number, because 2111320211 - 2¹⁰ = 2111319187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111320217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1157246 + ... + 1159068.

It is an arithmetic number, because the mean of its divisors is an integer number (60082560).

Almost surely, 2^2111320211 is an apocalyptic number.

2111320211 is a deficient number, since it is larger than the sum of its proper divisors (772642669).

2111320211 is a wasteful number, since it uses less digits than its factorization.

2111320211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2111320211 is about 45949.1045723418. The cubic root of 2111320211 is about 1282.8760627725.

Adding to 2111320211 its reverse (1120231112), we get a palindrome (3231551323).

The spelling of 2111320211 in words is "two billion, one hundred eleven million, three hundred twenty thousand, two hundred eleven".