102111123324 has 192 divisors, whose sum is σ = 292936089600. Its totient is φ = 27631154880.

The previous prime is 102111123319. The next prime is 102111123391. The reversal of 102111123324 is 423321111201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 102111123324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5988499 + ... + 6005525.

It is an arithmetic number, because the mean of its divisors is an integer number (1525708800).

Almost surely, 2^102111123324 is an apocalyptic number.

102111123324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102111123324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146468044800).

102111123324 is an abundant number, since it is smaller than the sum of its proper divisors (190824966276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102111123324 is a wasteful number, since it uses less digits than its factorization.

102111123324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17133 (or 17117 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 102111123324 its reverse (423321111201), we get a palindrome (525432234525).

The spelling of 102111123324 in words is "one hundred two billion, one hundred eleven million, one hundred twenty-three thousand, three hundred twenty-four".