103113103121220 has 192 divisors, whose sum is σ = 291429701821440. Its totient is φ = 27239576113152.

The previous prime is 103113103121209. The next prime is 103113103121251. The reversal of 103113103121220 is 22121301311301.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7948278654 + ... + 7948291626.

It is an arithmetic number, because the mean of its divisors is an integer number (1517863030320).

Almost surely, 2^{103113103121220} is an apocalyptic number.

103113103121220 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 103113103121220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145714850910720).

103113103121220 is an abundant number, since it is smaller than the sum of its proper divisors (188316598700220).

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

103113103121220 is a wasteful number, since it uses less digits than its factorization.

103113103121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15614 (or 15612 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 103113103121220 its reverse (22121301311301), we get a palindrome (125234404432521).

The spelling of 103113103121220 in words is "one hundred three trillion, one hundred thirteen billion, one hundred three million, one hundred twenty-one thousand, two hundred twenty".