11220021200111 has 2 divisors, whose sum is σ = 11220021200112. Its totient is φ = 11220021200110.

The previous prime is 11220021200107. The next prime is 11220021200131. The reversal of 11220021200111 is 11100212002211.

11220021200111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (11100212002211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11220021200111 - 2² = 11220021200107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220021200131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610010600055 + 5610010600056.

It is an arithmetic number, because the mean of its divisors is an integer number (5610010600056).

Almost surely, 2^{11220021200111} is an apocalyptic number.

11220021200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220021200111 is an equidigital number, since it uses as much as digits as its factorization.

11220021200111 is an evil number, because the sum of its binary digits is even.

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

Adding to 11220021200111 its reverse (11100212002211), we get a palindrome (22320233202322).

The spelling of 11220021200111 in words is "eleven trillion, two hundred twenty billion, twenty-one million, two hundred thousand, one hundred eleven".