103221310020 has 48 divisors (see below), whose sum is σ = 289065284928. Its totient is φ = 27521338240.

The previous prime is 103221309967. The next prime is 103221310043. The reversal of 103221310020 is 20013122301.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256942 + ... + 521978.

It is an arithmetic number, because the mean of its divisors is an integer number (6022193436).

Almost surely, 2^103221310020 is an apocalyptic number.

103221310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103221310020 is an abundant number, since it is smaller than the sum of its proper divisors (185843974908).

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

103221310020 is a wasteful number, since it uses less digits than its factorization.

103221310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271540 (or 271538 counting only the distinct ones).

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

Adding to 103221310020 its reverse (20013122301), we get a palindrome (123234432321).

The spelling of 103221310020 in words is "one hundred three billion, two hundred twenty-one million, three hundred ten thousand, twenty".