11201021111201 has 4 divisors (see below), whose sum is σ = 11201030295552. Its totient is φ = 11201011926852.

The previous prime is 11201021111179. The next prime is 11201021111387. The reversal of 11201021111201 is 10211112010211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11201021111201 - 2²² = 11201016916897 is a prime.

It is a super-3 number, since 3×11201021111201³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201021111701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2420465 + ... + 5316078.

It is an arithmetic number, because the mean of its divisors is an integer number (2800257573888).

Almost surely, 2^{11201021111201} is an apocalyptic number.

It is an amenable number.

11201021111201 is a deficient number, since it is larger than the sum of its proper divisors (9184351).

11201021111201 is an equidigital number, since it uses as much as digits as its factorization.

11201021111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9184350.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11201021111201 its reverse (10211112010211), we get a palindrome (21412133121412).

The spelling of 11201021111201 in words is "eleven trillion, two hundred one billion, twenty-one million, one hundred eleven thousand, two hundred one".