20203231022211 has 8 divisors (see below), whose sum is σ = 26937666981904. Its totient is φ = 13468807872000.

The previous prime is 20203231022189. The next prime is 20203231022231. The reversal of 20203231022211 is 11222013230202.

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

It is not a de Polignac number, because 20203231022211 - 2³¹ = 20201083538563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20203231022231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438635 + ... + 6517371.

It is an arithmetic number, because the mean of its divisors is an integer number (3367208372738).

Almost surely, 2^{20203231022211} is an apocalyptic number.

20203231022211 is a deficient number, since it is larger than the sum of its proper divisors (6734435959693).

20203231022211 is a wasteful number, since it uses less digits than its factorization.

20203231022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404741.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20203231022211 its reverse (11222013230202), we get a palindrome (31425244252413).

The spelling of 20203231022211 in words is "twenty trillion, two hundred three billion, two hundred thirty-one million, twenty-two thousand, two hundred eleven".