103031221110020 has 48 divisors (see below), whose sum is σ = 247280382830208. Its totient is φ = 35324211214080.

The previous prime is 103031221110001. The next prime is 103031221110089. The reversal of 103031221110020 is 20011122130301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1723262 + ... + 14457941.

It is an arithmetic number, because the mean of its divisors is an integer number (5151674642296).

Almost surely, 2^{103031221110020} is an apocalyptic number.

103031221110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103031221110020 is an abundant number, since it is smaller than the sum of its proper divisors (144249161720188).

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

103031221110020 is a wasteful number, since it uses less digits than its factorization.

103031221110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16226700 (or 16226698 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 103031221110020 its reverse (20011122130301), we get a palindrome (123042343240321).

The spelling of 103031221110020 in words is "one hundred three trillion, thirty-one billion, two hundred twenty-one million, one hundred ten thousand, twenty".