1111453221 has 8 divisors (see below), whose sum is σ = 1482096384. Its totient is φ = 740889440.

The previous prime is 1111453201. The next prime is 1111453223. The reversal of 1111453221 is 1223541111.

1111453221 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111453221 - 2¹³ = 1111445029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111453223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32716 + ... + 57386.

It is an arithmetic number, because the mean of its divisors is an integer number (185262048).

Almost surely, 2^1111453221 is an apocalyptic number.

It is an amenable number.

1111453221 is a deficient number, since it is larger than the sum of its proper divisors (370643163).

1111453221 is a wasteful number, since it uses less digits than its factorization.

1111453221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39691.

The product of its digits is 240, while the sum is 21.

The square root of 1111453221 is about 33338.4645867202. The cubic root of 1111453221 is about 1035.8504592399.

Adding to 1111453221 its reverse (1223541111), we get a palindrome (2334994332).

The spelling of 1111453221 in words is "one billion, one hundred eleven million, four hundred fifty-three thousand, two hundred twenty-one".