103321020120 has 64 divisors (see below), whose sum is σ = 314209156320. Its totient is φ = 27174841344.

The previous prime is 103321020109. The next prime is 103321020149. The reversal of 103321020120 is 21020123301.

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 103321020120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5888559 + ... + 5906078.

Almost surely, 2^103321020120 is an apocalyptic number.

103321020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103321020120 is an abundant number, since it is smaller than the sum of its proper divisors (210888136200).

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

103321020120 is a wasteful number, since it uses less digits than its factorization.

103321020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11794724 (or 11794720 counting only the distinct ones).

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

Adding to 103321020120 its reverse (21020123301), we get a palindrome (124341143421).

The spelling of 103321020120 in words is "one hundred three billion, three hundred twenty-one million, twenty thousand, one hundred twenty".