10203002100 has 108 divisors (see below), whose sum is σ = 33012470400. Its totient is φ = 2633025600.

The previous prime is 10203002039. The next prime is 10203002129. The reversal of 10203002100 is 120030201.

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 35 ways as a sum of consecutive naturals, for example, 154950 + ... + 210749.

Almost surely, 2^10203002100 is an apocalyptic number.

10203002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10203002100 is an abundant number, since it is smaller than the sum of its proper divisors (22809468300).

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

10203002100 is a wasteful number, since it uses less digits than its factorization.

10203002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365750 (or 365740 counting only the distinct ones).

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

Adding to 10203002100 its reverse (120030201), we get a palindrome (10323032301).

The spelling of 10203002100 in words is "ten billion, two hundred three million, two thousand, one hundred".