10120310111 has 2 divisors, whose sum is σ = 10120310112. Its totient is φ = 10120310110.

The previous prime is 10120310051. The next prime is 10120310113. The reversal of 10120310111 is 11101302101.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11101302101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10120310111 - 2⁶ = 10120310047 is a prime.

Together with 10120310113, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10120310092 and 10120310101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10120310113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060155055 + 5060155056.

It is an arithmetic number, because the mean of its divisors is an integer number (5060155056).

Almost surely, 2^10120310111 is an apocalyptic number.

10120310111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120310111 is an equidigital number, since it uses as much as digits as its factorization.

10120310111 is an evil number, because the sum of its binary digits is even.

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

Adding to 10120310111 its reverse (11101302101), we get a palindrome (21221612212).

The spelling of 10120310111 in words is "ten billion, one hundred twenty million, three hundred ten thousand, one hundred eleven".