20103132003121 has 16 divisors (see below), whose sum is σ = 21479230080000. Its totient is φ = 18769463309520.

The previous prime is 20103132003103. The next prime is 20103132003127. The reversal of 20103132003121 is 12130023130102.

It is a cyclic number.

It is not a de Polignac number, because 20103132003121 - 2³⁹ = 19553376189233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20103132003127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5231871 + ... + 8220628.

It is an arithmetic number, because the mean of its divisors is an integer number (1342451880000).

Almost surely, 2^{20103132003121} is an apocalyptic number.

It is an amenable number.

20103132003121 is a deficient number, since it is larger than the sum of its proper divisors (1376098076879).

20103132003121 is a wasteful number, since it uses less digits than its factorization.

20103132003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13454076.

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

Adding to 20103132003121 its reverse (12130023130102), we get a palindrome (32233155133223).

The spelling of 20103132003121 in words is "twenty trillion, one hundred three billion, one hundred thirty-two million, three thousand, one hundred twenty-one".