102550021300 has 18 divisors (see below), whose sum is σ = 222533546438. Its totient is φ = 41020008480.

The previous prime is 102550021291. The next prime is 102550021303. The reversal of 102550021300 is 3120055201.

It can be written as a sum of positive squares in 3 ways, for example, as 51437584 + 102498583716 = 7172^2 + 320154^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102550021303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 512750007 + ... + 512750206.

Almost surely, 2^102550021300 is an apocalyptic number.

102550021300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102550021300 is an abundant number, since it is smaller than the sum of its proper divisors (119983525138).

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

102550021300 is a wasteful number, since it uses less digits than its factorization.

102550021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025500227 (or 1025500220 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 102550021300 its reverse (3120055201), we get a palindrome (105670076501).

The spelling of 102550021300 in words is "one hundred two billion, five hundred fifty million, twenty-one thousand, three hundred".