102003201100 has 144 divisors (see below), whose sum is σ = 240031512000. Its totient is φ = 37480734720.

The previous prime is 102003201061. The next prime is 102003201149. The reversal of 102003201100 is 1102300201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17927056 + ... + 17932744.

It is an arithmetic number, because the mean of its divisors is an integer number (1666885500).

Almost surely, 2^102003201100 is an apocalyptic number.

102003201100 is a gapful number since it is divisible by the number (10) 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 102003201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120015756000).

102003201100 is an abundant number, since it is smaller than the sum of its proper divisors (138028310900).

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

102003201100 is a wasteful number, since it uses less digits than its factorization.

102003201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5972 (or 5965 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 102003201100 its reverse (1102300201), we get a palindrome (103105501301).

The spelling of 102003201100 in words is "one hundred two billion, three million, two hundred one thousand, one hundred".