11222110121311 has 4 divisors (see below), whose sum is σ = 11882234246112. Its totient is φ = 10561985996512.

The previous prime is 11222110121221. The next prime is 11222110121317. The reversal of 11222110121311 is 11312101122211.

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 11222110121311 - 2²³ = 11222101732703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222110121317) 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, 330062062375 + ... + 330062062408.

It is an arithmetic number, because the mean of its divisors is an integer number (2970558561528).

Almost surely, 2^{11222110121311} is an apocalyptic number.

11222110121311 is a deficient number, since it is larger than the sum of its proper divisors (660124124801).

11222110121311 is an equidigital number, since it uses as much as digits as its factorization.

11222110121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660124124800.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 11222110121311 its reverse (11312101122211), we get a palindrome (22534211243522).

The spelling of 11222110121311 in words is "eleven trillion, two hundred twenty-two billion, one hundred ten million, one hundred twenty-one thousand, three hundred eleven".