20203103322211 has 4 divisors (see below), whose sum is σ = 21391521164712. Its totient is φ = 19014685479712.

The previous prime is 20203103322209. The next prime is 20203103322229. The reversal of 20203103322211 is 11222330130202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20203103322211 - 2¹ = 20203103322209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20203103322251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594208921225 + ... + 594208921258.

It is an arithmetic number, because the mean of its divisors is an integer number (5347880291178).

Almost surely, 2^{20203103322211} is an apocalyptic number.

20203103322211 is a deficient number, since it is larger than the sum of its proper divisors (1188417842501).

20203103322211 is a wasteful number, since it uses less digits than its factorization.

20203103322211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188417842500.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20203103322211 its reverse (11222330130202), we get a palindrome (31425433452413).

The spelling of 20203103322211 in words is "twenty trillion, two hundred three billion, one hundred three million, three hundred twenty-two thousand, two hundred eleven".