1100233121 has 16 divisors (see below), whose sum is σ = 1243845120. Its totient is φ = 966159360.

The previous prime is 1100233109. The next prime is 1100233157. The reversal of 1100233121 is 1213320011.

It is a cyclic number.

It is not a de Polignac number, because 1100233121 - 2¹⁰ = 1100232097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100233096 and 1100233105.

It is not an unprimeable number, because it can be changed into a prime (1100233021) 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, 641 + ... + 46913.

It is an arithmetic number, because the mean of its divisors is an integer number (77740320).

Almost surely, 2^1100233121 is an apocalyptic number.

It is an amenable number.

1100233121 is a deficient number, since it is larger than the sum of its proper divisors (143611999).

1100233121 is a wasteful number, since it uses less digits than its factorization.

1100233121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46376.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1100233121 is about 33169.7621486799. The cubic root of 1100233121 is about 1032.3530333882.

Adding to 1100233121 its reverse (1213320011), we get a palindrome (2313553132).

The spelling of 1100233121 in words is "one billion, one hundred million, two hundred thirty-three thousand, one hundred twenty-one".