3123311120211 has 4 divisors (see below), whose sum is σ = 4164414826952. Its totient is φ = 2082207413472.

The previous prime is 3123311120207. The next prime is 3123311120227. The reversal of 3123311120211 is 1120211133213.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3123311120211 - 2² = 3123311120207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123311120261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520551853366 + ... + 520551853371.

It is an arithmetic number, because the mean of its divisors is an integer number (1041103706738).

Almost surely, 2^{3123311120211} is an apocalyptic number.

3123311120211 is a deficient number, since it is larger than the sum of its proper divisors (1041103706741).

3123311120211 is a wasteful number, since it uses less digits than its factorization.

3123311120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041103706740.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 3123311120211 its reverse (1120211133213), we get a palindrome (4243522253424).

The spelling of 3123311120211 in words is "three trillion, one hundred twenty-three billion, three hundred eleven million, one hundred twenty thousand, two hundred eleven".