1100042320122 has 24 divisors (see below), whose sum is σ = 2428395312564. Its totient is φ = 359762267904.

The previous prime is 1100042320121. The next prime is 1100042320183. The reversal of 1100042320122 is 2210232400011.

It is a happy number.

1100042320122 is a `hidden beast` number, since 1 + 100 + 0 + 423 + 20 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 872017924761 + 228024395361 = 933819^2 + 477519^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1100042320095 and 1100042320104.

It is not an unprimeable number, because it can be changed into a prime (1100042320121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 576541143 + ... + 576543050.

Almost surely, 2^{1100042320122} is an apocalyptic number.

1100042320122 is an abundant number, since it is smaller than the sum of its proper divisors (1328352992442).

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

1100042320122 is a wasteful number, since it uses less digits than its factorization.

1100042320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153084254 (or 1153084251 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1100042320122 its reverse (2210232400011), we get a palindrome (3310274720133).

The spelling of 1100042320122 in words is "one trillion, one hundred billion, forty-two million, three hundred twenty thousand, one hundred twenty-two".