1322113111 has 16 divisors (see below), whose sum is σ = 1468316160. Its totient is φ = 1180408320.

The previous prime is 1322113099. The next prime is 1322113231. The reversal of 1322113111 is 1113112231.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322113111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322123111) 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, 163776 + ... + 171658.

It is an arithmetic number, because the mean of its divisors is an integer number (91769760).

Almost surely, 2^1322113111 is an apocalyptic number.

1322113111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1322113111 is a deficient number, since it is larger than the sum of its proper divisors (146203049).

1322113111 is a wasteful number, since it uses less digits than its factorization.

1322113111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8166.

The product of its digits is 36, while the sum is 16.

The square root of 1322113111 is about 36360.8733530976. The cubic root of 1322113111 is about 1097.5463522020.

Adding to 1322113111 its reverse (1113112231), we get a palindrome (2435225342).

The spelling of 1322113111 in words is "one billion, three hundred twenty-two million, one hundred thirteen thousand, one hundred eleven".