11110221202111 has 4 divisors (see below), whose sum is σ = 11112806782672. Its totient is φ = 11107635621552.

The previous prime is 11110221202039. The next prime is 11110221202117. The reversal of 11110221202111 is 11120212201111.

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

It is a cyclic number.

It is not a de Polignac number, because 11110221202111 - 2¹⁹ = 11110220677823 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 (11110221202117) 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, 1292783835 + ... + 1292792428.

It is an arithmetic number, because the mean of its divisors is an integer number (2778201695668).

Almost surely, 2^{11110221202111} is an apocalyptic number.

11110221202111 is a deficient number, since it is larger than the sum of its proper divisors (2585580561).

11110221202111 is an equidigital number, since it uses as much as digits as its factorization.

11110221202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585580560.

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

Adding to 11110221202111 its reverse (11120212201111), we get a palindrome (22230433403222).

The spelling of 11110221202111 in words is "eleven trillion, one hundred ten billion, two hundred twenty-one million, two hundred two thousand, one hundred eleven".