103121330120 has 64 divisors (see below), whose sum is σ = 239638694400. Its totient is φ = 39896087040.

The previous prime is 103121330107. The next prime is 103121330197. The reversal of 103121330120 is 21033121301.

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, 2342876 + ... + 2386484.

It is an arithmetic number, because the mean of its divisors is an integer number (3744354600).

Almost surely, 2^103121330120 is an apocalyptic number.

103121330120 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 103121330120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119819347200).

103121330120 is an abundant number, since it is smaller than the sum of its proper divisors (136517364280).

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

103121330120 is a wasteful number, since it uses less digits than its factorization.

103121330120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45558 (or 45554 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103121330120 its reverse (21033121301), we get a palindrome (124154451421).

The spelling of 103121330120 in words is "one hundred three billion, one hundred twenty-one million, three hundred thirty thousand, one hundred twenty".