20003110103221 has 8 divisors (see below), whose sum is σ = 22877347451904. Its totient is φ = 17133035302320.

The previous prime is 20003110103149. The next prime is 20003110103239. The reversal of 20003110103221 is 12230101130002.

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

It is not a de Polignac number, because 20003110103221 - 2¹⁵ = 20003110070453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20003110103195 and 20003110103204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003110103621) 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, 1040626645 + ... + 1040645866.

It is an arithmetic number, because the mean of its divisors is an integer number (2859668431488).

Almost surely, 2^{20003110103221} is an apocalyptic number.

It is an amenable number.

20003110103221 is a deficient number, since it is larger than the sum of its proper divisors (2874237348683).

20003110103221 is a wasteful number, since it uses less digits than its factorization.

20003110103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081273891.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20003110103221 its reverse (12230101130002), we get a palindrome (32233211233223).

The spelling of 20003110103221 in words is "twenty trillion, three billion, one hundred ten million, one hundred three thousand, two hundred twenty-one".