103101221500 has 96 divisors (see below), whose sum is σ = 234429826176. Its totient is φ = 39575692800.

The previous prime is 103101221459. The next prime is 103101221513. The reversal of 103101221500 is 5122101301.

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 31 ways as a sum of consecutive naturals, for example, 1312329 + ... + 1388671.

It is an arithmetic number, because the mean of its divisors is an integer number (2441977356).

Almost surely, 2^103101221500 is an apocalyptic number.

103101221500 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 103101221500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117214913088).

103101221500 is an abundant number, since it is smaller than the sum of its proper divisors (131328604676).

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

103101221500 is a wasteful number, since it uses less digits than its factorization.

103101221500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76472 (or 76460 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 103101221500 its reverse (5122101301), we get a palindrome (108223322801).

The spelling of 103101221500 in words is "one hundred three billion, one hundred one million, two hundred twenty-one thousand, five hundred".