11122210010987 has 4 divisors (see below), whose sum is σ = 11122230840336. Its totient is φ = 11122189181640.

The previous prime is 11122210010939. The next prime is 11122210011097. The reversal of 11122210010987 is 78901001222111.

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 11122210010987 - 2²⁴ = 11122193233771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122210010287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9592064 + ... + 10688877.

It is an arithmetic number, because the mean of its divisors is an integer number (2780557710084).

Almost surely, 2^{11122210010987} is an apocalyptic number.

11122210010987 is a deficient number, since it is larger than the sum of its proper divisors (20829349).

11122210010987 is an equidigital number, since it uses as much as digits as its factorization.

11122210010987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20829348.

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 11122210010987 in words is "eleven trillion, one hundred twenty-two billion, two hundred ten million, ten thousand, nine hundred eighty-seven".