11233020201121 has 4 divisors (see below), whose sum is σ = 11332427459652. Its totient is φ = 11133612942592.

The previous prime is 11233020201113. The next prime is 11233020201181. The reversal of 11233020201121 is 12110202033211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 231061914721 + 11001958286400 = 480689^2 + 3316920^2 .

It is a cyclic number.

It is not a de Polignac number, because 11233020201121 - 2³ = 11233020201113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11233020201101) 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, 49703629096 + ... + 49703629321.

It is an arithmetic number, because the mean of its divisors is an integer number (2833106864913).

Almost surely, 2^{11233020201121} is an apocalyptic number.

It is an amenable number.

11233020201121 is a deficient number, since it is larger than the sum of its proper divisors (99407258531).

11233020201121 is an equidigital number, since it uses as much as digits as its factorization.

11233020201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99407258530.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11233020201121 its reverse (12110202033211), we get a palindrome (23343222234332).

The spelling of 11233020201121 in words is "eleven trillion, two hundred thirty-three billion, twenty million, two hundred one thousand, one hundred twenty-one".