11121121012201 has 16 divisors (see below), whose sum is σ = 11785495680000. Its totient is φ = 10457881705728.

The previous prime is 11121121012189. The next prime is 11121121012277. The reversal of 11121121012201 is 10221012112111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121121012201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121121012801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126328066 + ... + 126416068.

It is an arithmetic number, because the mean of its divisors is an integer number (736593480000).

Almost surely, 2^{11121121012201} is an apocalyptic number.

It is an amenable number.

11121121012201 is a deficient number, since it is larger than the sum of its proper divisors (664374667799).

11121121012201 is a wasteful number, since it uses less digits than its factorization.

11121121012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94368.

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

Adding to 11121121012201 its reverse (10221012112111), we get a palindrome (21342133124312).

The spelling of 11121121012201 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-one million, twelve thousand, two hundred one".