20011002012103 has 8 divisors (see below), whose sum is σ = 20584410197600. Its totient is φ = 19439308052640.

The previous prime is 20011002012101. The next prime is 20011002012121. The reversal of 20011002012103 is 30121020011002.

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 20011002012103 - 2¹ = 20011002012101 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 (20011002012101) 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, 428532828 + ... + 428579521.

It is an arithmetic number, because the mean of its divisors is an integer number (2573051274700).

Almost surely, 2^{20011002012103} is an apocalyptic number.

20011002012103 is a deficient number, since it is larger than the sum of its proper divisors (573408185497).

20011002012103 is an equidigital number, since it uses as much as digits as its factorization.

20011002012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857113017.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20011002012103 its reverse (30121020011002), we get a palindrome (50132022023105).

The spelling of 20011002012103 in words is "twenty trillion, eleven billion, two million, twelve thousand, one hundred three".