11233030221 has 48 divisors (see below), whose sum is σ = 19125969408. Its totient is φ = 6219936000.

The previous prime is 11233030187. The next prime is 11233030241. The reversal of 11233030221 is 12203033211.

11233030221 is a `hidden beast` number, since 1 + 12 + 330 + 302 + 21 = 666.

It is not a de Polignac number, because 11233030221 - 2¹⁴ = 11233013837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11233030194 and 11233030203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233030241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280281 + ... + 317841.

It is an arithmetic number, because the mean of its divisors is an integer number (398457696).

Almost surely, 2^11233030221 is an apocalyptic number.

It is an amenable number.

11233030221 is a deficient number, since it is larger than the sum of its proper divisors (7892939187).

11233030221 is a wasteful number, since it uses less digits than its factorization.

11233030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37722 (or 37719 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11233030221 its reverse (12203033211), we get a palindrome (23436063432).

The spelling of 11233030221 in words is "eleven billion, two hundred thirty-three million, thirty thousand, two hundred twenty-one".