11011121344211 has 4 divisors (see below), whose sum is σ = 11011128683232. Its totient is φ = 11011114005192.

The previous prime is 11011121344183. The next prime is 11011121344219. The reversal of 11011121344211 is 11244312111011.

It is a semiprime because it is the product of two primes, 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 11011121344211 - 2¹⁸ = 11011121082067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011121344219) 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, 515120 + ... + 4720973.

It is an arithmetic number, because the mean of its divisors is an integer number (2752782170808).

Almost surely, 2^{11011121344211} is an apocalyptic number.

11011121344211 is a deficient number, since it is larger than the sum of its proper divisors (7339021).

11011121344211 is an equidigital number, since it uses as much as digits as its factorization.

11011121344211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7339020.

The product of its (nonzero) digits is 192, while the sum is 23.

Adding to 11011121344211 its reverse (11244312111011), we get a palindrome (22255433455222).

The spelling of 11011121344211 in words is "eleven trillion, eleven billion, one hundred twenty-one million, three hundred forty-four thousand, two hundred eleven".