103021012320 has 48 divisors (see below), whose sum is σ = 324516190320. Its totient is φ = 27472269824.

The previous prime is 103021012267. The next prime is 103021012343. The reversal of 103021012320 is 23210120301.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×103021012320² (a number of 23 digits) contains 22 as substring.

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 103021012320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107313075 + ... + 107314034.

It is an arithmetic number, because the mean of its divisors is an integer number (6760753965).

Almost surely, 2^103021012320 is an apocalyptic number.

103021012320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103021012320 is an abundant number, since it is smaller than the sum of its proper divisors (221495178000).

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

103021012320 is a wasteful number, since it uses less digits than its factorization.

103021012320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214627127 (or 214627119 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 103021012320 its reverse (23210120301), we get a palindrome (126231132621).

The spelling of 103021012320 in words is "one hundred three billion, twenty-one million, twelve thousand, three hundred twenty".