203132021211 has 40 divisors (see below), whose sum is σ = 348437067264. Its totient is φ = 115525252080.

The previous prime is 203132021201. The next prime is 203132021249. The reversal of 203132021211 is 112120231302.

It is not a de Polignac number, because 203132021211 - 2⁵ = 203132021179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203132021201) 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 39 ways as a sum of consecutive naturals, for example, 729315 + ... + 968588.

Almost surely, 2^203132021211 is an apocalyptic number.

203132021211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

203132021211 is a deficient number, since it is larger than the sum of its proper divisors (145305046053).

203132021211 is a wasteful number, since it uses less digits than its factorization.

203132021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698133 (or 1698124 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 203132021211 its reverse (112120231302), we get a palindrome (315252252513).

The spelling of 203132021211 in words is "two hundred three billion, one hundred thirty-two million, twenty-one thousand, two hundred eleven".