1132221201321 has 32 divisors (see below), whose sum is σ = 1760662240000. Its totient is φ = 646923715200.

The previous prime is 1132221201313. The next prime is 1132221201389. The reversal of 1132221201321 is 1231021222311.

It is not a de Polignac number, because 1132221201321 - 2³ = 1132221201313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132221201311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12613005 + ... + 12702453.

It is an arithmetic number, because the mean of its divisors is an integer number (55020695000).

Almost surely, 2^{1132221201321} is an apocalyptic number.

It is an amenable number.

1132221201321 is a deficient number, since it is larger than the sum of its proper divisors (628441038679).

1132221201321 is an equidigital number, since it uses as much as digits as its factorization.

1132221201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101774 (or 101760 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1132221201321 its reverse (1231021222311), we get a palindrome (2363242423632).

The spelling of 1132221201321 in words is "one trillion, one hundred thirty-two billion, two hundred twenty-one million, two hundred one thousand, three hundred twenty-one".