103021320112 has 20 divisors (see below), whose sum is σ = 199841740560. Its totient is φ = 51449258048.

The previous prime is 103021320091. The next prime is 103021320137. The reversal of 103021320112 is 211023120301.

It is a super-2 number, since 2×103021320112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3823783 + ... + 3850630.

It is an arithmetic number, because the mean of its divisors is an integer number (9992087028).

Almost surely, 2^103021320112 is an apocalyptic number.

It is an amenable number.

103021320112 is a deficient number, since it is larger than the sum of its proper divisors (96820420448).

103021320112 is an equidigital number, since it uses as much as digits as its factorization.

103021320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7675260 (or 7675254 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103021320112 its reverse (211023120301), we get a palindrome (314044440413).

The spelling of 103021320112 in words is "one hundred three billion, twenty-one million, three hundred twenty thousand, one hundred twelve".