11011110022121 has 8 divisors (see below), whose sum is σ = 12012203640000. Its totient is φ = 10010030340240.

The previous prime is 11011110022117. The next prime is 11011110022123. The reversal of 11011110022121 is 12122001111011.

11011110022121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11011110022121 - 2² = 11011110022117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11011110022096 and 11011110022105.

It is not an unprimeable number, because it can be changed into a prime (11011110022123) 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, 1796381 + ... + 5024858.

It is an arithmetic number, because the mean of its divisors is an integer number (1501525455000).

Almost surely, 2^{11011110022121} is an apocalyptic number.

11011110022121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11011110022121 is a deficient number, since it is larger than the sum of its proper divisors (1001093617879).

11011110022121 is a wasteful number, since it uses less digits than its factorization.

11011110022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6967999.

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

Adding to 11011110022121 its reverse (12122001111011), we get a palindrome (23133111133132).

The spelling of 11011110022121 in words is "eleven trillion, eleven billion, one hundred ten million, twenty-two thousand, one hundred twenty-one".