11202102020111 has 16 divisors (see below), whose sum is σ = 11621782146048. Its totient is φ = 10786098153600.

The previous prime is 11202102020077. The next prime is 11202102020141. The reversal of 11202102020111 is 11102020120211.

It is a cyclic number.

It is not a de Polignac number, because 11202102020111 - 2²⁶ = 11202034911247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202102020141) 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, 21478055 + ... + 21993431.

It is an arithmetic number, because the mean of its divisors is an integer number (726361384128).

Almost surely, 2^{11202102020111} is an apocalyptic number.

11202102020111 is a deficient number, since it is larger than the sum of its proper divisors (419680125937).

11202102020111 is a wasteful number, since it uses less digits than its factorization.

11202102020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518942.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11202102020111 its reverse (11102020120211), we get a palindrome (22304122140322).

The spelling of 11202102020111 in words is "eleven trillion, two hundred two billion, one hundred two million, twenty thousand, one hundred eleven".