1322311122111 has 16 divisors (see below), whose sum is σ = 2133476769024. Its totient is φ = 711158922624.

The previous prime is 1322311122109. The next prime is 1322311122131. The reversal of 1322311122111 is 1112211132231.

It is not a de Polignac number, because 1322311122111 - 2¹ = 1322311122109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322311122131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1851976005 + ... + 1851976718.

It is an arithmetic number, because the mean of its divisors is an integer number (133342298064).

Almost surely, 2^{1322311122111} is an apocalyptic number.

1322311122111 is a deficient number, since it is larger than the sum of its proper divisors (811165646913).

1322311122111 is a wasteful number, since it uses less digits than its factorization.

1322311122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703952750.

The product of its digits is 144, while the sum is 21.

Adding to 1322311122111 its reverse (1112211132231), we get a palindrome (2434522254342).

The spelling of 1322311122111 in words is "one trillion, three hundred twenty-two billion, three hundred eleven million, one hundred twenty-two thousand, one hundred eleven".