1122211321 has 8 divisors (see below), whose sum is σ = 1399120704. Its totient is φ = 874450320.

The previous prime is 1122211319. The next prime is 1122211367. The reversal of 1122211321 is 1231122211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122211321 - 2¹ = 1122211319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122211295 and 1122211304.

It is not an unprimeable number, because it can be changed into a prime (1122211301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7287010 + ... + 7287163.

It is an arithmetic number, because the mean of its divisors is an integer number (174890088).

Almost surely, 2^1122211321 is an apocalyptic number.

1122211321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122211321 is a deficient number, since it is larger than the sum of its proper divisors (276909383).

1122211321 is a wasteful number, since it uses less digits than its factorization.

1122211321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14574191.

The product of its digits is 48, while the sum is 16.

The square root of 1122211321 is about 33499.4226965182. The cubic root of 1122211321 is about 1039.1818395777.

Adding to 1122211321 its reverse (1231122211), we get a palindrome (2353333532).

The spelling of 1122211321 in words is "one billion, one hundred twenty-two million, two hundred eleven thousand, three hundred twenty-one".