1133121110 has 16 divisors (see below), whose sum is σ = 2225038032. Its totient is φ = 412044000.

The previous prime is 1133121103. The next prime is 1133121113. The reversal of 1133121110 is 111213311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133121113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5150441 + ... + 5150660.

It is an arithmetic number, because the mean of its divisors is an integer number (139064877).

Almost surely, 2^1133121110 is an apocalyptic number.

1133121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1133121110 is a deficient number, since it is larger than the sum of its proper divisors (1091916922).

1133121110 is a wasteful number, since it uses less digits than its factorization.

1133121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10301119.

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

The square root of 1133121110 is about 33661.8643274552. The cubic root of 1133121110 is about 1042.5385195106.

Adding to 1133121110 its reverse (111213311), we get a palindrome (1244334421).

The spelling of 1133121110 in words is "one billion, one hundred thirty-three million, one hundred twenty-one thousand, one hundred ten".