20331111232103 has 16 divisors (see below), whose sum is σ = 24036984576000. Its totient is φ = 16825605250272.

The previous prime is 20331111232097. The next prime is 20331111232121. The reversal of 20331111232103 is 30123211113302.

It is not a de Polignac number, because 20331111232103 - 2⁶ = 20331111232039 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 (20331111232703) 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, 28588208 + ... + 29290746.

It is an arithmetic number, because the mean of its divisors is an integer number (1502311536000).

Almost surely, 2^{20331111232103} is an apocalyptic number.

20331111232103 is a deficient number, since it is larger than the sum of its proper divisors (3705873343897).

20331111232103 is a wasteful number, since it uses less digits than its factorization.

20331111232103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845134.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20331111232103 its reverse (30123211113302), we get a palindrome (50454322345405).

The spelling of 20331111232103 in words is "twenty trillion, three hundred thirty-one billion, one hundred eleven million, two hundred thirty-two thousand, one hundred three".