11220102201211 has 4 divisors (see below), whose sum is σ = 11220401146552. Its totient is φ = 11219803255872.

The previous prime is 11220102201193. The next prime is 11220102201311. The reversal of 11220102201211 is 11210220102211.

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 11220102201211 - 2¹⁷ = 11220102070139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220102201311) 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, 149416365 + ... + 149491438.

It is an arithmetic number, because the mean of its divisors is an integer number (2805100286638).

Almost surely, 2^{11220102201211} is an apocalyptic number.

11220102201211 is a deficient number, since it is larger than the sum of its proper divisors (298945341).

11220102201211 is an equidigital number, since it uses as much as digits as its factorization.

11220102201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298945340.

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

Adding to 11220102201211 its reverse (11210220102211), we get a palindrome (22430322303422).

The spelling of 11220102201211 in words is "eleven trillion, two hundred twenty billion, one hundred two million, two hundred one thousand, two hundred eleven".