1111222321 has 8 divisors (see below), whose sum is σ = 1217275488. Its totient is φ = 1006008000.

The previous prime is 1111222309. The next prime is 1111222331. The reversal of 1111222321 is 1232221111.

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 1111222321 - 2⁷ = 1111222193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111222295 and 1111222304.

It is not an unprimeable number, because it can be changed into a prime (1111222331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206935 + ... + 212236.

It is an arithmetic number, because the mean of its divisors is an integer number (152159436).

Almost surely, 2^1111222321 is an apocalyptic number.

1111222321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111222321 is a deficient number, since it is larger than the sum of its proper divisors (106053167).

1111222321 is a wasteful number, since it uses less digits than its factorization.

1111222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419423.

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

The square root of 1111222321 is about 33335.0014399280. The cubic root of 1111222321 is about 1035.7787229967.

Adding to 1111222321 its reverse (1232221111), we get a palindrome (2343443432).

It can be divided in two parts, 11112 and 22321, that added together give a palindrome (33433).

The spelling of 1111222321 in words is "one billion, one hundred eleven million, two hundred twenty-two thousand, three hundred twenty-one".