102111444344 has 128 divisors (see below), whose sum is σ = 240176294400. Its totient is φ = 39622141440.

The previous prime is 102111444307. The next prime is 102111444361. The reversal of 102111444344 is 443444111201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16827599 + ... + 16833665.

It is an arithmetic number, because the mean of its divisors is an integer number (1876377300).

Almost surely, 2^102111444344 is an apocalyptic number.

102111444344 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 102111444344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120088147200).

102111444344 is an abundant number, since it is smaller than the sum of its proper divisors (138064850056).

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

102111444344 is a wasteful number, since it uses less digits than its factorization.

102111444344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6533 (or 6529 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 102111444344 its reverse (443444111201), we get a palindrome (545555555545).

The spelling of 102111444344 in words is "one hundred two billion, one hundred eleven million, four hundred forty-four thousand, three hundred forty-four".