1132110231221 has 4 divisors (see below), whose sum is σ = 1135066132992. Its totient is φ = 1129154329452.

The previous prime is 1132110231193. The next prime is 1132110231251. The reversal of 1132110231221 is 1221320112311.

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 1132110231221 - 2²² = 1132106036917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1132110231193 and 1132110231202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132110231251) 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, 1477950311 + ... + 1477951076.

It is an arithmetic number, because the mean of its divisors is an integer number (283766533248).

Almost surely, 2^{1132110231221} is an apocalyptic number.

It is an amenable number.

1132110231221 is a deficient number, since it is larger than the sum of its proper divisors (2955901771).

1132110231221 is an equidigital number, since it uses as much as digits as its factorization.

1132110231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955901770.

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

Adding to 1132110231221 its reverse (1221320112311), we get a palindrome (2353430343532).

The spelling of 1132110231221 in words is "one trillion, one hundred thirty-two billion, one hundred ten million, two hundred thirty-one thousand, two hundred twenty-one".