11220102221211 has 48 divisors (see below), whose sum is σ = 18214984359936. Its totient is φ = 6603515886528.

The previous prime is 11220102221147. The next prime is 11220102221233. The reversal of 11220102221211 is 11212220102211.

11220102221211 is a `hidden beast` number, since 1 + 1 + 220 + 10 + 2 + 221 + 211 = 666.

It is not a de Polignac number, because 11220102221211 - 2⁶ = 11220102221147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220102221281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18448966 + ... + 19047428.

It is an arithmetic number, because the mean of its divisors is an integer number (379478840832).

Almost surely, 2^{11220102221211} is an apocalyptic number.

11220102221211 is a deficient number, since it is larger than the sum of its proper divisors (6994882138725).

11220102221211 is a wasteful number, since it uses less digits than its factorization.

11220102221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605472 (or 605469 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11220102221211 its reverse (11212220102211), we get a palindrome (22432322323422).

The spelling of 11220102221211 in words is "eleven trillion, two hundred twenty billion, one hundred two million, two hundred twenty-one thousand, two hundred eleven".