102203121300 has 72 divisors (see below), whose sum is σ = 337951661376. Its totient is φ = 23360712960.

The previous prime is 102203121299. The next prime is 102203121341. The reversal of 102203121300 is 3121302201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102203121300.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 24331977 + ... + 24336176.

Almost surely, 2^102203121300 is an apocalyptic number.

102203121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102203121300 is an abundant number, since it is smaller than the sum of its proper divisors (235748540076).

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

102203121300 is a wasteful number, since it uses less digits than its factorization.

102203121300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48668177 (or 48668170 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102203121300 its reverse (3121302201), we get a palindrome (105324423501).

The spelling of 102203121300 in words is "one hundred two billion, two hundred three million, one hundred twenty-one thousand, three hundred".