201023113211 has 8 divisors (see below), whose sum is σ = 209892691104. Its totient is φ = 192164322240.

The previous prime is 201023113199. The next prime is 201023113217. The reversal of 201023113211 is 112311320102.

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

It is a cyclic number.

It is not a de Polignac number, because 201023113211 - 2¹⁸ = 201022851067 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 201023113211.

It is not an unprimeable number, because it can be changed into a prime (201023113217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2658626 + ... + 2733191.

It is an arithmetic number, because the mean of its divisors is an integer number (26236586388).

Almost surely, 2^201023113211 is an apocalyptic number.

201023113211 is a deficient number, since it is larger than the sum of its proper divisors (8869577893).

201023113211 is a wasteful number, since it uses less digits than its factorization.

201023113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5393461.

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

Adding to 201023113211 its reverse (112311320102), we get a palindrome (313334433313).

It can be divided in two parts, 20102 and 3113211, that added together give a palindrome (3133313).

The spelling of 201023113211 in words is "two hundred one billion, twenty-three million, one hundred thirteen thousand, two hundred eleven".