20103303211 has 4 divisors (see below), whose sum is σ = 20115706624. Its totient is φ = 20090899800.

The previous prime is 20103303193. The next prime is 20103303221. The reversal of 20103303211 is 11230330102.

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 20103303211 - 2⁷ = 20103303083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20103303221) 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, 6199275 + ... + 6202516.

It is an arithmetic number, because the mean of its divisors is an integer number (5028926656).

Almost surely, 2^20103303211 is an apocalyptic number.

20103303211 is a deficient number, since it is larger than the sum of its proper divisors (12403413).

20103303211 is a wasteful number, since it uses less digits than its factorization.

20103303211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12403412.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20103303211 its reverse (11230330102), we get a palindrome (31333633313).

The spelling of 20103303211 in words is "twenty billion, one hundred three million, three hundred three thousand, two hundred eleven".