11202122012111 has 8 divisors (see below), whose sum is σ = 11414650035360. Its totient is φ = 10991589557472.

The previous prime is 11202122012099. The next prime is 11202122012119. The reversal of 11202122012111 is 11121022120211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11202122012111 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 11202122012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202122012119) 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 7 ways as a sum of consecutive naturals, for example, 498880820 + ... + 498903273.

It is an arithmetic number, because the mean of its divisors is an integer number (1426831254420).

Almost surely, 2^{11202122012111} is an apocalyptic number.

11202122012111 is a deficient number, since it is larger than the sum of its proper divisors (212528023249).

11202122012111 is a wasteful number, since it uses less digits than its factorization.

11202122012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997784305.

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

Adding to 11202122012111 its reverse (11121022120211), we get a palindrome (22323144132322).

The spelling of 11202122012111 in words is "eleven trillion, two hundred two billion, one hundred twenty-two million, twelve thousand, one hundred eleven".