103100021130320 has 40 divisors (see below), whose sum is σ = 239739558472680. Its totient is φ = 41234501468160.

The previous prime is 103100021130317. The next prime is 103100021130367. The reversal of 103100021130320 is 23031120001301.

It can be written as a sum of positive squares in 4 ways, for example, as 19202555013184 + 83897466117136 = 4382072^2 + 9159556^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×103100021130320² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85443761 + ... + 86642000.

It is an arithmetic number, because the mean of its divisors is an integer number (5993488961817).

Almost surely, 2^{103100021130320} is an apocalyptic number.

103100021130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103100021130320 is an abundant number, since it is smaller than the sum of its proper divisors (136639537342360).

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

103100021130320 is a wasteful number, since it uses less digits than its factorization.

103100021130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172093263 (or 172093257 counting only the distinct ones).

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

Adding to 103100021130320 its reverse (23031120001301), we get a palindrome (126131141131621).

The spelling of 103100021130320 in words is "one hundred three trillion, one hundred billion, twenty-one million, one hundred thirty thousand, three hundred twenty".