11101320120987 has 80 divisors (see below), whose sum is σ = 17729456659200. Its totient is φ = 6907063726080.

The previous prime is 11101320120977. The next prime is 11101320121043. The reversal of 11101320120987 is 78902102310111.

It is not a de Polignac number, because 11101320120987 - 2¹⁰ = 11101320119963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11101320120967) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 62316939 + ... + 62494827.

It is an arithmetic number, because the mean of its divisors is an integer number (221618208240).

Almost surely, 2^{11101320120987} is an apocalyptic number.

11101320120987 is a deficient number, since it is larger than the sum of its proper divisors (6628136538213).

11101320120987 is a wasteful number, since it uses less digits than its factorization.

11101320120987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178818 (or 178809 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

The spelling of 11101320120987 in words is "eleven trillion, one hundred one billion, three hundred twenty million, one hundred twenty thousand, nine hundred eighty-seven".