11120210987 has 4 divisors (see below), whose sum is σ = 11121737256. Its totient is φ = 11118684720.

The previous prime is 11120210971. The next prime is 11120210993. The reversal of 11120210987 is 78901202111.

11120210987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11120210987 - 2⁴ = 11120210971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11120210947) 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, 752153 + ... + 766794.

It is an arithmetic number, because the mean of its divisors is an integer number (2780434314).

Almost surely, 2^11120210987 is an apocalyptic number.

11120210987 is a deficient number, since it is larger than the sum of its proper divisors (1526269).

11120210987 is an equidigital number, since it uses as much as digits as its factorization.

11120210987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526268.

The product of its (nonzero) digits is 2016, while the sum is 32.

The spelling of 11120210987 in words is "eleven billion, one hundred twenty million, two hundred ten thousand, nine hundred eighty-seven".