2211132321 has 24 divisors (see below), whose sum is σ = 3335804160. Its totient is φ = 1409926176.

The previous prime is 2211132269. The next prime is 2211132323. The reversal of 2211132321 is 1232311122.

2211132321 is a `hidden beast` number, since 2 + 211 + 132 + 321 = 666.

It is not a de Polignac number, because 2211132321 - 2¹³ = 2211124129 is a prime.

It is a super-3 number, since 3×2211132321³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2211132294 and 2211132303.

It is not an unprimeable number, because it can be changed into a prime (2211132323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36625 + ... + 75918.

It is an arithmetic number, because the mean of its divisors is an integer number (138991840).

Almost surely, 2^2211132321 is an apocalyptic number.

It is an amenable number.

2211132321 is a deficient number, since it is larger than the sum of its proper divisors (1124671839).

2211132321 is a wasteful number, since it uses less digits than its factorization.

2211132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112645 (or 112642 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2211132321 is about 47022.6787943860. The cubic root of 2211132321 is about 1302.7814845210.

Adding to 2211132321 its reverse (1232311122), we get a palindrome (3443443443).

The spelling of 2211132321 in words is "two billion, two hundred eleven million, one hundred thirty-two thousand, three hundred twenty-one".