11202112111211 has 16 divisors (see below), whose sum is σ = 13049574148800. Its totient is φ = 9417342199680.

The previous prime is 11202112111121. The next prime is 11202112111241. The reversal of 11202112111211 is 11211121120211.

It is a cyclic number.

It is not a de Polignac number, because 11202112111211 - 2³⁰ = 11201038369387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11202112111211.

It is not an unprimeable number, because it can be changed into a prime (11202112111241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37436156 + ... + 37734201.

It is an arithmetic number, because the mean of its divisors is an integer number (815598384300).

Almost surely, 2^{11202112111211} is an apocalyptic number.

11202112111211 is a deficient number, since it is larger than the sum of its proper divisors (1847462037589).

11202112111211 is an equidigital number, since it uses as much as digits as its factorization.

11202112111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75170774.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11202112111211 its reverse (11211121120211), we get a palindrome (22413233231422).

The spelling of 11202112111211 in words is "eleven trillion, two hundred two billion, one hundred twelve million, one hundred eleven thousand, two hundred eleven".