20331200121103 has 16 divisors (see below), whose sum is σ = 20901981895200. Its totient is φ = 19763993733120.

The previous prime is 20331200121079. The next prime is 20331200121109. The reversal of 20331200121103 is 30112100213302.

It is a cyclic number.

It is not a de Polignac number, because 20331200121103 - 2⁹ = 20331200120591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331200121109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226085913 + ... + 226175821.

It is an arithmetic number, because the mean of its divisors is an integer number (1306373868450).

Almost surely, 2^{20331200121103} is an apocalyptic number.

20331200121103 is a deficient number, since it is larger than the sum of its proper divisors (570781774097).

20331200121103 is a wasteful number, since it uses less digits than its factorization.

20331200121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109722.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20331200121103 its reverse (30112100213302), we get a palindrome (50443300334405).

The spelling of 20331200121103 in words is "twenty trillion, three hundred thirty-one billion, two hundred million, one hundred twenty-one thousand, one hundred three".