11033201221231 has 16 divisors (see below), whose sum is σ = 13550370806016. Its totient is φ = 8767886979456.

The previous prime is 11033201221201. The next prime is 11033201221243. The reversal of 11033201221231 is 13212210233011.

It is not a de Polignac number, because 11033201221231 - 2²⁵ = 11033167666799 is a prime.

It is a super-2 number, since 2×11033201221231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033201221201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691902301 + ... + 691918246.

It is an arithmetic number, because the mean of its divisors is an integer number (846898175376).

Almost surely, 2^{11033201221231} is an apocalyptic number.

11033201221231 is a deficient number, since it is larger than the sum of its proper divisors (2517169584785).

11033201221231 is a wasteful number, since it uses less digits than its factorization.

11033201221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383820638.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11033201221231 its reverse (13212210233011), we get a palindrome (24245411454242).

The spelling of 11033201221231 in words is "eleven trillion, thirty-three billion, two hundred one million, two hundred twenty-one thousand, two hundred thirty-one".