1100120011988 has 12 divisors (see below), whose sum is σ = 1949579768640. Its totient is φ = 543097220952.

The previous prime is 1100120011961. The next prime is 1100120011993. The reversal of 1100120011988 is 8891100210011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1740695906 + ... + 1740696537.

It is an arithmetic number, because the mean of its divisors is an integer number (162464980720).

Almost surely, 2^{1100120011988} is an apocalyptic number.

It is an amenable number.

1100120011988 is a deficient number, since it is larger than the sum of its proper divisors (849459756652).

1100120011988 is a wasteful number, since it uses less digits than its factorization.

1100120011988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481392526 (or 3481392524 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 32.

Adding to 1100120011988 its reverse (8891100210011), we get a palindrome (9991220221999).

The spelling of 1100120011988 in words is "one trillion, one hundred billion, one hundred twenty million, eleven thousand, nine hundred eighty-eight".