11020201222211 has 4 divisors (see below), whose sum is σ = 11075579118000. Its totient is φ = 10964823326424.

The previous prime is 11020201222207. The next prime is 11020201222229. The reversal of 11020201222211 is 11222210202011.

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 11020201222211 - 2² = 11020201222207 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 11020201222211.

It is not an unprimeable number, because it can be changed into a prime (11020201222111) 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, 27688947596 + ... + 27688947993.

It is an arithmetic number, because the mean of its divisors is an integer number (2768894779500).

Almost surely, 2^{11020201222211} is an apocalyptic number.

11020201222211 is a deficient number, since it is larger than the sum of its proper divisors (55377895789).

11020201222211 is an equidigital number, since it uses as much as digits as its factorization.

11020201222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55377895788.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11020201222211 its reverse (11222210202011), we get a palindrome (22242411424222).

The spelling of 11020201222211 in words is "eleven trillion, twenty billion, two hundred one million, two hundred twenty-two thousand, two hundred eleven".