11202100002121 has 16 divisors (see below), whose sum is σ = 12876324249600. Its totient is φ = 9546410693520.

The previous prime is 11202100002089. The next prime is 11202100002157. The reversal of 11202100002121 is 12120000120211.

It is a cyclic number.

It is not a de Polignac number, because 11202100002121 - 2⁵ = 11202100002089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11202100042121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252330 + ... + 4740028.

It is an arithmetic number, because the mean of its divisors is an integer number (804770265600).

Almost surely, 2^{11202100002121} is an apocalyptic number.

It is an amenable number.

11202100002121 is a deficient number, since it is larger than the sum of its proper divisors (1674224247479).

11202100002121 is a wasteful number, since it uses less digits than its factorization.

11202100002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489764.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11202100002121 its reverse (12120000120211), we get a palindrome (23322100122332).

The spelling of 11202100002121 in words is "eleven trillion, two hundred two billion, one hundred million, two thousand, one hundred twenty-one".