11020201222111 has 2 divisors, whose sum is σ = 11020201222112. Its totient is φ = 11020201222110.

The previous prime is 11020201222091. The next prime is 11020201222117. The reversal of 11020201222111 is 11122210202011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11020201222111 - 2¹⁵ = 11020201189343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11020201222117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510100611055 + 5510100611056.

It is an arithmetic number, because the mean of its divisors is an integer number (5510100611056).

Almost surely, 2^{11020201222111} is an apocalyptic number.

11020201222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020201222111 is an equidigital number, since it uses as much as digits as its factorization.

11020201222111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11020201222111 its reverse (11122210202011), we get a palindrome (22142411424122).

The spelling of 11020201222111 in words is "eleven trillion, twenty billion, two hundred one million, two hundred twenty-two thousand, one hundred eleven".