1322311111000 has 96 divisors (see below), whose sum is σ = 3401071914240. Its totient is φ = 480840360000.

The previous prime is 1322311110983. The next prime is 1322311111049. The reversal of 1322311111000 is 1111132231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5343096 + ... + 5585095.

It is an arithmetic number, because the mean of its divisors is an integer number (35427832440).

Almost surely, 2^{1322311111000} is an apocalyptic number.

1322311111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322311111000 is an abundant number, since it is smaller than the sum of its proper divisors (2078760803240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1322311111000 is a wasteful number, since it uses less digits than its factorization.

1322311111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10928234 (or 10928209 counting only the distinct ones).

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

Adding to 1322311111000 its reverse (1111132231), we get a palindrome (1323422243231).

It can be divided in two parts, 132 and 2311111000, that added together give a palindrome (2311111132).

The spelling of 1322311111000 in words is "one trillion, three hundred twenty-two billion, three hundred eleven million, one hundred eleven thousand".