1322112111 has 4 divisors (see below), whose sum is σ = 1762816152. Its totient is φ = 881408072.

The previous prime is 1322112101. The next prime is 1322112137. The reversal of 1322112111 is 1112112231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1112112231 = 3 ⋅370704077.

It is a cyclic number.

It is not a de Polignac number, because 1322112111 - 2¹⁷ = 1321981039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322112101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220352016 + ... + 220352021.

It is an arithmetic number, because the mean of its divisors is an integer number (440704038).

Almost surely, 2^1322112111 is an apocalyptic number.

1322112111 is a deficient number, since it is larger than the sum of its proper divisors (440704041).

1322112111 is an equidigital number, since it uses as much as digits as its factorization.

1322112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440704040.

The product of its digits is 24, while the sum is 15.

The square root of 1322112111 is about 36360.8596020501. The cubic root of 1322112111 is about 1097.5460754867.

Adding to 1322112111 its reverse (1112112231), we get a palindrome (2434224342).

The spelling of 1322112111 in words is "one billion, three hundred twenty-two million, one hundred twelve thousand, one hundred eleven".