20113312102103 has 8 divisors (see below), whose sum is σ = 21942498139776. Its totient is φ = 18284243251000.

The previous prime is 20113312102061. The next prime is 20113312102243. The reversal of 20113312102103 is 30120121331102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20113312102103 - 2¹² = 20113312098007 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 (20113312102603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28937573 + ... + 29624478.

It is an arithmetic number, because the mean of its divisors is an integer number (2742812267472).

Almost surely, 2^{20113312102103} is an apocalyptic number.

20113312102103 is a deficient number, since it is larger than the sum of its proper divisors (1829186037673).

20113312102103 is a wasteful number, since it uses less digits than its factorization.

20113312102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58593285.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20113312102103 its reverse (30120121331102), we get a palindrome (50233433433205).

The spelling of 20113312102103 in words is "twenty trillion, one hundred thirteen billion, three hundred twelve million, one hundred two thousand, one hundred three".