1100022122320 has 60 divisors (see below), whose sum is σ = 2811192923700. Its totient is φ = 400008040960.

The previous prime is 1100022122317. The next prime is 1100022122327. The reversal of 1100022122320 is 232212200011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 831320885824 + 268701236496 = 911768^2 + 518364^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1100022122294 and 1100022122303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100022122327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56809645 + ... + 56829004.

It is an arithmetic number, because the mean of its divisors is an integer number (46853215395).

Almost surely, 2^{1100022122320} is an apocalyptic number.

1100022122320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100022122320 is an abundant number, since it is smaller than the sum of its proper divisors (1711170801380).

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

1100022122320 is a wasteful number, since it uses less digits than its factorization.

1100022122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113638684 (or 113638667 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1100022122320 its reverse (232212200011), we get a palindrome (1332234322331).

It can be divided in two parts, 110002 and 2122320, that added together give a palindrome (2232322).

The spelling of 1100022122320 in words is "one trillion, one hundred billion, twenty-two million, one hundred twenty-two thousand, three hundred twenty".