100203000102 has 64 divisors (see below), whose sum is σ = 229943992320. Its totient is φ = 32311224000.

The previous prime is 100203000049. The next prime is 100203000151. The reversal of 100203000102 is 201000302001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 5050602 + ... + 5070402.

It is an arithmetic number, because the mean of its divisors is an integer number (3592874880).

Almost surely, 2^100203000102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100203000102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114971996160).

100203000102 is an abundant number, since it is smaller than the sum of its proper divisors (129740992218).

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

100203000102 is a wasteful number, since it uses less digits than its factorization.

100203000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22866 (or 22860 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 100203000102 its reverse (201000302001), we get a palindrome (301203302103).

The spelling of 100203000102 in words is "one hundred billion, two hundred three million, one hundred two", and thus it is an aban number.