11020220220211 has 4 divisors (see below), whose sum is σ = 11038994020152. Its totient is φ = 11001446420272.

The previous prime is 11020220220193. The next prime is 11020220220239. The reversal of 11020220220211 is 11202202202011.

It is a happy number.

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 11020220220211 - 2¹⁷ = 11020220089139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020220220311) 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, 9386899090 + ... + 9386900263.

It is an arithmetic number, because the mean of its divisors is an integer number (2759748505038).

Almost surely, 2^{11020220220211} is an apocalyptic number.

11020220220211 is a deficient number, since it is larger than the sum of its proper divisors (18773799941).

11020220220211 is an equidigital number, since it uses as much as digits as its factorization.

11020220220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18773799940.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11020220220211 its reverse (11202202202011), we get a palindrome (22222422422222).

The spelling of 11020220220211 in words is "eleven trillion, twenty billion, two hundred twenty million, two hundred twenty thousand, two hundred eleven".