1110121133 has 4 divisors (see below), whose sum is σ = 1211041248. Its totient is φ = 1009201020.

The previous prime is 1110121121. The next prime is 1110121141. The reversal of 1110121133 is 3311210111.

It is a happy number.

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 1110121133 - 2⁶ = 1110121069 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 (1110121163) 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, 50460041 + ... + 50460062.

It is an arithmetic number, because the mean of its divisors is an integer number (302760312).

Almost surely, 2^1110121133 is an apocalyptic number.

It is an amenable number.

1110121133 is a deficient number, since it is larger than the sum of its proper divisors (100920115).

1110121133 is a wasteful number, since it uses less digits than its factorization.

1110121133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100920114.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1110121133 is about 33318.4803525011. The cubic root of 1110121133 is about 1035.4364680314.

Adding to 1110121133 its reverse (3311210111), we get a palindrome (4421331244).

The spelling of 1110121133 in words is "one billion, one hundred ten million, one hundred twenty-one thousand, one hundred thirty-three".