102011303111 has 4 divisors (see below), whose sum is σ = 102661056792. Its totient is φ = 101361549432.

The previous prime is 102011303087. The next prime is 102011303117. The reversal of 102011303111 is 111303110201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111303110201 = 58727 ⋅1895263.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102011303111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011303117) 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 in 3 ways as a sum of consecutive naturals, for example, 324876605 + ... + 324876918.

It is an arithmetic number, because the mean of its divisors is an integer number (25665264198).

Almost surely, 2^102011303111 is an apocalyptic number.

102011303111 is a deficient number, since it is larger than the sum of its proper divisors (649753681).

102011303111 is an equidigital number, since it uses as much as digits as its factorization.

102011303111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649753680.

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

Adding to 102011303111 its reverse (111303110201), we get a palindrome (213314413312).

The spelling of 102011303111 in words is "one hundred two billion, eleven million, three hundred three thousand, one hundred eleven".