11021201122121 has 8 divisors (see below), whose sum is σ = 11226285029760. Its totient is φ = 10816726677552.

The previous prime is 11021201122039. The next prime is 11021201122123. The reversal of 11021201122121 is 12122110212011.

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 11021201122121 - 2³⁴ = 11004021252937 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 11021201122121.

It is not an unprimeable number, because it can be changed into a prime (11021201122123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152329265 + ... + 152401598.

It is an arithmetic number, because the mean of its divisors is an integer number (1403285628720).

Almost surely, 2^{11021201122121} is an apocalyptic number.

It is an amenable number.

11021201122121 is a deficient number, since it is larger than the sum of its proper divisors (205083907639).

11021201122121 is an equidigital number, since it uses as much as digits as its factorization.

11021201122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304731535.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11021201122121 its reverse (12122110212011), we get a palindrome (23143311334132).

The spelling of 11021201122121 in words is "eleven trillion, twenty-one billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty-one".