102321111311 has 4 divisors (see below), whose sum is σ = 102321753000. Its totient is φ = 102320469624.

The previous prime is 102321111281. The next prime is 102321111329. The reversal of 102321111311 is 113111123201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 102321111311 - 2⁶ = 102321111247 is a prime.

It is a super-3 number, since 3×102321111311³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102321111311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102321111511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123080 + ... + 468818.

It is an arithmetic number, because the mean of its divisors is an integer number (25580438250).

Almost surely, 2^102321111311 is an apocalyptic number.

102321111311 is a deficient number, since it is larger than the sum of its proper divisors (641689).

102321111311 is an equidigital number, since it uses as much as digits as its factorization.

102321111311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641688.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 102321111311 its reverse (113111123201), we get a palindrome (215432234512).

The spelling of 102321111311 in words is "one hundred two billion, three hundred twenty-one million, one hundred eleven thousand, three hundred eleven".