1322311123100 has 54 divisors (see below), whose sum is σ = 3153985262232. Its totient is φ = 480840404000.

The previous prime is 1322311123093. The next prime is 1322311123121. The reversal of 1322311123100 is 13211132231.

It is a happy number.

It is a super-2 number, since 2×1322311123100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 54628856 + ... + 54653055.

Almost surely, 2^{1322311123100} is an apocalyptic number.

1322311123100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322311123100 is an abundant number, since it is smaller than the sum of its proper divisors (1831674139132).

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

1322311123100 is a wasteful number, since it uses less digits than its factorization.

1322311123100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109281947 (or 109281929 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1322311123100 its reverse (13211132231), we get a palindrome (1335522255331).

The spelling of 1322311123100 in words is "one trillion, three hundred twenty-two billion, three hundred eleven million, one hundred twenty-three thousand, one hundred".