3120211012111 has 2 divisors, whose sum is σ = 3120211012112. Its totient is φ = 3120211012110.

The previous prime is 3120211012081. The next prime is 3120211012151. The reversal of 3120211012111 is 1112101120213.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3120211012111 - 2²⁷ = 3120076794383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120211012151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560105506055 + 1560105506056.

It is an arithmetic number, because the mean of its divisors is an integer number (1560105506056).

Almost surely, 2^{3120211012111} is an apocalyptic number.

3120211012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120211012111 is an equidigital number, since it uses as much as digits as its factorization.

3120211012111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 3120211012111 its reverse (1112101120213), we get a palindrome (4232312132324).

The spelling of 3120211012111 in words is "three trillion, one hundred twenty billion, two hundred eleven million, twelve thousand, one hundred eleven".