11122201232121 has 8 divisors (see below), whose sum is σ = 16948116163264. Its totient is φ = 6355543561200.

The previous prime is 11122201232069. The next prime is 11122201232159. The reversal of 11122201232121 is 12123210222111.

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

It is not a de Polignac number, because 11122201232121 - 2¹¹ = 11122201230073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 529628630101 = 11122201232121 / (1 + 1 + 1 + 2 + 2 + 2 + 0 + 1 + 2 + 3 + 2 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122201232171) 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, 264814315030 + ... + 264814315071.

It is an arithmetic number, because the mean of its divisors is an integer number (2118514520408).

Almost surely, 2^{11122201232121} is an apocalyptic number.

It is an amenable number.

11122201232121 is a deficient number, since it is larger than the sum of its proper divisors (5825914931143).

11122201232121 is an equidigital number, since it uses as much as digits as its factorization.

11122201232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529628630111.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 11122201232121 its reverse (12123210222111), we get a palindrome (23245411454232).

The spelling of 11122201232121 in words is "eleven trillion, one hundred twenty-two billion, two hundred one million, two hundred thirty-two thousand, one hundred twenty-one".