1100002022120 has 32 divisors (see below), whose sum is σ = 2485812450600. Its totient is φ = 438079404288.

The previous prime is 1100002022099. The next prime is 1100002022129. The reversal of 1100002022120 is 212202000011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 771716568676 + 328285453444 = 878474^2 + 572962^2 .

It is not an unprimeable number, because it can be changed into a prime (1100002022129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60034619 + ... + 60052938.

Almost surely, 2^{1100002022120} is an apocalyptic number.

1100002022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100002022120 is an abundant number, since it is smaller than the sum of its proper divisors (1385810428480).

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

1100002022120 is a wasteful number, since it uses less digits than its factorization.

1100002022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120087797 (or 120087793 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1100002022120 its reverse (212202000011), we get a palindrome (1312204022131).

The spelling of 1100002022120 in words is "one trillion, one hundred billion, two million, twenty-two thousand, one hundred twenty".