12101303111 has 2 divisors, whose sum is σ = 12101303112. Its totient is φ = 12101303110.

The previous prime is 12101303101. The next prime is 12101303141. The reversal of 12101303111 is 11130310121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12101303111 - 2⁶ = 12101303047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12101303101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050651555 + 6050651556.

It is an arithmetic number, because the mean of its divisors is an integer number (6050651556).

Almost surely, 2^12101303111 is an apocalyptic number.

12101303111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101303111 is an equidigital number, since it uses as much as digits as its factorization.

12101303111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 12101303111 its reverse (11130310121), we get a palindrome (23231613232).

The spelling of 12101303111 in words is "twelve billion, one hundred one million, three hundred three thousand, one hundred eleven".