102311000111 has 4 divisors (see below), whose sum is σ = 103460562000. Its totient is φ = 101161438224.

The previous prime is 102311000047. The next prime is 102311000201. The reversal of 102311000111 is 111000113201.

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: 111000113201 = 217681 ⋅509921.

It is a cyclic number.

It is not a de Polignac number, because 102311000111 - 2⁶ = 102311000047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102311000092 and 102311000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102311006111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574780811 + ... + 574780988.

It is an arithmetic number, because the mean of its divisors is an integer number (25865140500).

Almost surely, 2^102311000111 is an apocalyptic number.

102311000111 is a deficient number, since it is larger than the sum of its proper divisors (1149561889).

102311000111 is an equidigital number, since it uses as much as digits as its factorization.

102311000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149561888.

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

Adding to 102311000111 its reverse (111000113201), we get a palindrome (213311113312).

The spelling of 102311000111 in words is "one hundred two billion, three hundred eleven million, one hundred eleven", and thus it is an aban number.