1133341221 has 16 divisors (see below), whose sum is σ = 1553522688. Its totient is φ = 734574000.

The previous prime is 1133341217. The next prime is 1133341243. The reversal of 1133341221 is 1221433311.

It is not a de Polignac number, because 1133341221 - 2² = 1133341217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133341201) 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, 5325 + ... + 47906.

It is an arithmetic number, because the mean of its divisors is an integer number (97095168).

Almost surely, 2^1133341221 is an apocalyptic number.

It is an amenable number.

1133341221 is a deficient number, since it is larger than the sum of its proper divisors (420181467).

1133341221 is a wasteful number, since it uses less digits than its factorization.

1133341221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53432.

The product of its digits is 432, while the sum is 21.

The square root of 1133341221 is about 33665.1336103096. The cubic root of 1133341221 is about 1042.6060201914.

Adding to 1133341221 its reverse (1221433311), we get a palindrome (2354774532).

The spelling of 1133341221 in words is "one billion, one hundred thirty-three million, three hundred forty-one thousand, two hundred twenty-one".