111122221133 has 8 divisors (see below), whose sum is σ = 138541990080. Its totient is φ = 86588743680.

The previous prime is 111122221129. The next prime is 111122221139. The reversal of 111122221133 is 331122221111.

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 111122221133 - 2² = 111122221129 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122221139) 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, 721572788 + ... + 721572941.

It is an arithmetic number, because the mean of its divisors is an integer number (17317748760).

Almost surely, 2^111122221133 is an apocalyptic number.

It is an amenable number.

111122221133 is a deficient number, since it is larger than the sum of its proper divisors (27419768947).

111122221133 is a wasteful number, since it uses less digits than its factorization.

111122221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443145747.

The product of its digits is 144, while the sum is 20.

Adding to 111122221133 its reverse (331122221111), we get a palindrome (442244442244).

The spelling of 111122221133 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred thirty-three".