1132221421665 has 24 divisors (see below), whose sum is σ = 1963353495168. Its totient is φ = 603594082080.

The previous prime is 1132221421619. The next prime is 1132221421673. The reversal of 1132221421665 is 5661241222311.

1132221421665 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 221 + 421 + 6 + 6 + 5 = 666.

It is not a de Polignac number, because 1132221421665 - 2⁷ = 1132221421537 is a prime.

It is a super-2 number, since 2×1132221421665² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5254521 + ... + 5465750.

It is an arithmetic number, because the mean of its divisors is an integer number (81806395632).

Almost surely, 2^{1132221421665} is an apocalyptic number.

1132221421665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1132221421665 is a deficient number, since it is larger than the sum of its proper divisors (831132073503).

1132221421665 is a wasteful number, since it uses less digits than its factorization.

1132221421665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10722629 (or 10722626 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

Adding to 1132221421665 its reverse (5661241222311), we get a palindrome (6793462643976).

The spelling of 1132221421665 in words is "one trillion, one hundred thirty-two billion, two hundred twenty-one million, four hundred twenty-one thousand, six hundred sixty-five".