11110221202211 has 4 divisors (see below), whose sum is σ = 11114048356752. Its totient is φ = 11106394047672.

The previous prime is 11110221202187. The next prime is 11110221202219. The reversal of 11110221202211 is 11220212201111.

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 11110221202211 - 2⁶ = 11110221202147 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 11110221202211.

It is not an unprimeable number, because it can be changed into a prime (11110221202219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913572916 + ... + 1913578721.

It is an arithmetic number, because the mean of its divisors is an integer number (2778512089188).

Almost surely, 2^{11110221202211} is an apocalyptic number.

11110221202211 is a deficient number, since it is larger than the sum of its proper divisors (3827154541).

11110221202211 is an equidigital number, since it uses as much as digits as its factorization.

11110221202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827154540.

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

Adding to 11110221202211 its reverse (11220212201111), we get a palindrome (22330433403322).

The spelling of 11110221202211 in words is "eleven trillion, one hundred ten billion, two hundred twenty-one million, two hundred two thousand, two hundred eleven".