1322111011 has 8 divisors (see below), whose sum is σ = 1447153904. Its totient is φ = 1200402720.

The previous prime is 1322110997. The next prime is 1322111041. The reversal of 1322111011 is 1101112231.

It is a happy number.

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 1322111011 - 2⁷ = 1322110883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322110982 and 1322111000.

It is not an unprimeable number, because it can be changed into a prime (1322111041) 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, 832821 + ... + 834406.

It is an arithmetic number, because the mean of its divisors is an integer number (180894238).

Almost surely, 2^1322111011 is an apocalyptic number.

1322111011 is a deficient number, since it is larger than the sum of its proper divisors (125042893).

1322111011 is a wasteful number, since it uses less digits than its factorization.

1322111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667301.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1322111011 is about 36360.8444758919. The cubic root of 1322111011 is about 1097.5457710997.

Adding to 1322111011 its reverse (1101112231), we get a palindrome (2423223242).

The spelling of 1322111011 in words is "one billion, three hundred twenty-two million, one hundred eleven thousand, eleven".