2003231011211 has 4 divisors (see below), whose sum is σ = 2014810381392. Its totient is φ = 1991651641032.

The previous prime is 2003231011189. The next prime is 2003231011241. The reversal of 2003231011211 is 1121101323002.

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 2003231011211 - 2¹⁸ = 2003230749067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2003231011211.

It is not an unprimeable number, because it can be changed into a prime (2003231011241) 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, 5789684831 + ... + 5789685176.

It is an arithmetic number, because the mean of its divisors is an integer number (503702595348).

Almost surely, 2^{2003231011211} is an apocalyptic number.

2003231011211 is a deficient number, since it is larger than the sum of its proper divisors (11579370181).

2003231011211 is a wasteful number, since it uses less digits than its factorization.

2003231011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11579370180.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2003231011211 its reverse (1121101323002), we get a palindrome (3124332334213).

The spelling of 2003231011211 in words is "two trillion, three billion, two hundred thirty-one million, eleven thousand, two hundred eleven".