103031100021200 has 720 divisors, whose sum is σ = 296493225469056. Its totient is φ = 34130308608000.

The previous prime is 103031100021139. The next prime is 103031100021209. The reversal of 103031100021200 is 2120001130301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103031100021209) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 4360723787 + ... + 4360747413.

Almost surely, 2^{103031100021200} is an apocalyptic number.

103031100021200 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 103031100021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148246612734528).

103031100021200 is an abundant number, since it is smaller than the sum of its proper divisors (193462125447856).

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

103031100021200 is a wasteful number, since it uses less digits than its factorization.

103031100021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23820 (or 23790 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 103031100021200 its reverse (2120001130301), we get a palindrome (105151101151501).

The spelling of 103031100021200 in words is "one hundred three trillion, thirty-one billion, one hundred million, twenty-one thousand, two hundred".