11110212122201 has 4 divisors (see below), whose sum is σ = 11110745032500. Its totient is φ = 11109679211904.

The previous prime is 11110212122161. The next prime is 11110212122209. The reversal of 11110212122201 is 10222121201111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6932689000000 + 4177523122201 = 2633000^2 + 2043899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11110212122201 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 11110212122201.

It is not an unprimeable number, because it can be changed into a prime (11110212122209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266423876 + ... + 266465573.

It is an arithmetic number, because the mean of its divisors is an integer number (2777686258125).

Almost surely, 2^{11110212122201} is an apocalyptic number.

It is an amenable number.

11110212122201 is a deficient number, since it is larger than the sum of its proper divisors (532910299).

11110212122201 is an equidigital number, since it uses as much as digits as its factorization.

11110212122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532910298.

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

Adding to 11110212122201 its reverse (10222121201111), we get a palindrome (21332333323312).

The spelling of 11110212122201 in words is "eleven trillion, one hundred ten billion, two hundred twelve million, one hundred twenty-two thousand, two hundred one".