3101110121 has 2 divisors, whose sum is σ = 3101110122. Its totient is φ = 3101110120.

The previous prime is 3101110109. The next prime is 3101110123. The reversal of 3101110121 is 1210111013.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2507505625 + 593604496 = 50075^2 + 24364^2 .

It is an emirp because it is prime and its reverse (1210111013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3101110121 - 2⁶ = 3101110057 is a prime.

Together with 3101110123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3101110123) 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 as a sum of consecutive naturals, namely, 1550555060 + 1550555061.

It is an arithmetic number, because the mean of its divisors is an integer number (1550555061).

Almost surely, 2^3101110121 is an apocalyptic number.

It is an amenable number.

3101110121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3101110121 is an equidigital number, since it uses as much as digits as its factorization.

3101110121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 3101110121 is about 55687.6119168348. The cubic root of 3101110121 is about 1458.2737652846.

Adding to 3101110121 its reverse (1210111013), we get a palindrome (4311221134).

It can be divided in two parts, 310111012 and 1, that added together give a palindrome (310111013).

The spelling of 3101110121 in words is "three billion, one hundred one million, one hundred ten thousand, one hundred twenty-one".