103121101320 has 32 divisors (see below), whose sum is σ = 309363304320. Its totient is φ = 27498960320.

The previous prime is 103121101319. The next prime is 103121101339. The reversal of 103121101320 is 23101121301.

It is a happy number.

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 103121101320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429671136 + ... + 429671375.

It is an arithmetic number, because the mean of its divisors is an integer number (9667603260).

Almost surely, 2^103121101320 is an apocalyptic number.

103121101320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103121101320 is an abundant number, since it is smaller than the sum of its proper divisors (206242203000).

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

103121101320 is a wasteful number, since it uses less digits than its factorization.

103121101320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859342525 (or 859342521 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 103121101320 its reverse (23101121301), we get a palindrome (126222222621).

The spelling of 103121101320 in words is "one hundred three billion, one hundred twenty-one million, one hundred one thousand, three hundred twenty".