1100220100988 has 12 divisors (see below), whose sum is σ = 1991777769240. Its totient is φ = 531140738352.

The previous prime is 1100220100981. The next prime is 1100220100997. The reversal of 1100220100988 is 8890010220011.

It is a super-2 number, since 2×1100220100988² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100220100981) 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 3 ways as a sum of consecutive naturals, for example, 4742327906 + ... + 4742328137.

It is an arithmetic number, because the mean of its divisors is an integer number (165981480770).

Almost surely, 2^{1100220100988} is an apocalyptic number.

It is an amenable number.

1100220100988 is a deficient number, since it is larger than the sum of its proper divisors (891557668252).

1100220100988 is a wasteful number, since it uses less digits than its factorization.

1100220100988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9484656076 (or 9484656074 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 32.

Adding to 1100220100988 its reverse (8890010220011), we get a palindrome (9990230320999).

The spelling of 1100220100988 in words is "one trillion, one hundred billion, two hundred twenty million, one hundred thousand, nine hundred eighty-eight".