11202101111987 has 4 divisors (see below), whose sum is σ = 11343899860320. Its totient is φ = 11060302363656.

The previous prime is 11202101111983. The next prime is 11202101111989. The reversal of 11202101111987 is 78911110120211.

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 11202101111987 - 2² = 11202101111983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11202101111983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70899374048 + ... + 70899374205.

It is an arithmetic number, because the mean of its divisors is an integer number (2835974965080).

Almost surely, 2^{11202101111987} is an apocalyptic number.

11202101111987 is a deficient number, since it is larger than the sum of its proper divisors (141798748333).

11202101111987 is an equidigital number, since it uses as much as digits as its factorization.

11202101111987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141798748332.

The product of its (nonzero) digits is 2016, while the sum is 35.

The spelling of 11202101111987 in words is "eleven trillion, two hundred two billion, one hundred one million, one hundred eleven thousand, nine hundred eighty-seven".