11010121022121 has 8 divisors (see below), whose sum is σ = 15809404544640. Its totient is φ = 6775459090512.

The previous prime is 11010121022113. The next prime is 11010121022137. The reversal of 11010121022121 is 12122012101011.

It is a happy number.

11010121022121 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 not a de Polignac number, because 11010121022121 - 2³ = 11010121022113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11010121022121.

It is not an unprimeable number, because it can be changed into a prime (11010121022111) 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, 141155397681 + ... + 141155397758.

It is an arithmetic number, because the mean of its divisors is an integer number (1976175568080).

Almost surely, 2^{11010121022121} is an apocalyptic number.

It is an amenable number.

11010121022121 is a deficient number, since it is larger than the sum of its proper divisors (4799283522519).

11010121022121 is a wasteful number, since it uses less digits than its factorization.

11010121022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282310795455.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11010121022121 its reverse (12122012101011), we get a palindrome (23132133123132).

The spelling of 11010121022121 in words is "eleven trillion, ten billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty-one".