11122110121121 has 8 divisors (see below), whose sum is σ = 11487126128544. Its totient is φ = 10761928763040.

The previous prime is 11122110121091. The next prime is 11122110121151. The reversal of 11122110121121 is 12112101122111.

It is an interprime number because it is at equal distance from previous prime (11122110121091) and next prime (11122110121151).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11122110121121 - 2¹⁰ = 11122110120097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11122110121121.

It is not an unprimeable number, because it can be changed into a prime (11122110121151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208657660 + ... + 1208666861.

It is an arithmetic number, because the mean of its divisors is an integer number (1435890766068).

Almost surely, 2^{11122110121121} is an apocalyptic number.

It is an amenable number.

11122110121121 is a deficient number, since it is larger than the sum of its proper divisors (365016007423).

11122110121121 is a wasteful number, since it uses less digits than its factorization.

11122110121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417324671.

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

Adding to 11122110121121 its reverse (12112101122111), we get a palindrome (23234211243232).

The spelling of 11122110121121 in words is "eleven trillion, one hundred twenty-two billion, one hundred ten million, one hundred twenty-one thousand, one hundred twenty-one".