103121112032320 has 28 divisors (see below), whose sum is σ = 245557148027724. Its totient is φ = 41248444812800.

The previous prime is 103121112032317. The next prime is 103121112032321. The reversal of 103121112032320 is 23230211121301.

It can be written as a sum of positive squares in 2 ways, for example, as 37498281005056 + 65622831027264 = 6123584^2 + 8100792^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103121112032291 and 103121112032300.

It is not an unprimeable number, because it can be changed into a prime (103121112032321) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 161126737231 + ... + 161126737870.

Almost surely, 2^{103121112032320} is an apocalyptic number.

103121112032320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103121112032320 is an abundant number, since it is smaller than the sum of its proper divisors (142436035995404).

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

103121112032320 is an equidigital number, since it uses as much as digits as its factorization.

103121112032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322253475118 (or 322253475108 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 103121112032320 its reverse (23230211121301), we get a palindrome (126351323153621).

The spelling of 103121112032320 in words is "one hundred three trillion, one hundred twenty-one billion, one hundred twelve million, thirty-two thousand, three hundred twenty".