11332121121 has 6 divisors (see below), whose sum is σ = 16368619410. Its totient is φ = 7554747408.

The previous prime is 11332121093. The next prime is 11332121131. The reversal of 11332121121 is 12112123311.

11332121121 is a `hidden beast` number, since 113 + 321 + 211 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8944430625 + 2387690496 = 94575^2 + 48864^2 .

It is not a de Polignac number, because 11332121121 - 2⁷ = 11332120993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11332121094 and 11332121103.

It is not an unprimeable number, because it can be changed into a prime (11332121131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629562276 + ... + 629562293.

It is an arithmetic number, because the mean of its divisors is an integer number (2728103235).

Almost surely, 2^11332121121 is an apocalyptic number.

It is an amenable number.

11332121121 is a deficient number, since it is larger than the sum of its proper divisors (5036498289).

11332121121 is a wasteful number, since it uses less digits than its factorization.

11332121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259124575 (or 1259124572 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

Adding to 11332121121 its reverse (12112123311), we get a palindrome (23444244432).

The spelling of 11332121121 in words is "eleven billion, three hundred thirty-two million, one hundred twenty-one thousand, one hundred twenty-one".