11241132221 has 16 divisors (see below), whose sum is σ = 12691045440. Its totient is φ = 9862836480.

The previous prime is 11241132211. The next prime is 11241132229. The reversal of 11241132221 is 12223114211.

It is a cyclic number.

It is not a de Polignac number, because 11241132221 - 2¹⁰ = 11241131197 is a prime.

It is a super-2 number, since 2×11241132221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11241132193 and 11241132202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11241132229) 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, 1011125 + ... + 1022181.

It is an arithmetic number, because the mean of its divisors is an integer number (793190340).

Almost surely, 2^11241132221 is an apocalyptic number.

11241132221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11241132221 is a deficient number, since it is larger than the sum of its proper divisors (1449913219).

11241132221 is a wasteful number, since it uses less digits than its factorization.

11241132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14284.

The product of its digits is 192, while the sum is 20.

Adding to 11241132221 its reverse (12223114211), we get a palindrome (23464246432).

The spelling of 11241132221 in words is "eleven billion, two hundred forty-one million, one hundred thirty-two thousand, two hundred twenty-one".