11201121210211 has 2 divisors, whose sum is σ = 11201121210212. Its totient is φ = 11201121210210.

The previous prime is 11201121210173. The next prime is 11201121210277. The reversal of 11201121210211 is 11201212110211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11201121210211 - 2²⁹ = 11200584339299 is a prime.

It is not a weakly prime, because it can be changed into another prime (11201121211211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600560605105 + 5600560605106.

It is an arithmetic number, because the mean of its divisors is an integer number (5600560605106).

Almost surely, 2^{11201121210211} is an apocalyptic number.

11201121210211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201121210211 is an equidigital number, since it uses as much as digits as its factorization.

11201121210211 is an evil number, because the sum of its binary digits is even.

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

Adding to 11201121210211 its reverse (11201212110211), we get a palindrome (22402333320422).

The spelling of 11201121210211 in words is "eleven trillion, two hundred one billion, one hundred twenty-one million, two hundred ten thousand, two hundred eleven".