1101223133 has 4 divisors (see below), whose sum is σ = 1103709408. Its totient is φ = 1098736860.

The previous prime is 1101223117. The next prime is 1101223157. The reversal of 1101223133 is 3313221011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1101223133 - 2⁴ = 1101223117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101223103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242473 + ... + 1243358.

It is an arithmetic number, because the mean of its divisors is an integer number (275927352).

Almost surely, 2^1101223133 is an apocalyptic number.

It is an amenable number.

1101223133 is a deficient number, since it is larger than the sum of its proper divisors (2486275).

1101223133 is an equidigital number, since it uses as much as digits as its factorization.

1101223133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486274.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1101223133 is about 33184.6822042942. The cubic root of 1101223133 is about 1032.6625846016.

Adding to 1101223133 its reverse (3313221011), we get a palindrome (4414444144).

The spelling of 1101223133 in words is "one billion, one hundred one million, two hundred twenty-three thousand, one hundred thirty-three".