11101020022211 has 4 divisors (see below), whose sum is σ = 12686880025392. Its totient is φ = 9515160019032.

The previous prime is 11101020022199. The next prime is 11101020022237. The reversal of 11101020022211 is 11222002010111.

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 11101020022211 - 2²² = 11101015827907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101020022241) 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, 792930001580 + ... + 792930001593.

It is an arithmetic number, because the mean of its divisors is an integer number (3171720006348).

Almost surely, 2^{11101020022211} is an apocalyptic number.

11101020022211 is a deficient number, since it is larger than the sum of its proper divisors (1585860003181).

11101020022211 is an equidigital number, since it uses as much as digits as its factorization.

11101020022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585860003180.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11101020022211 its reverse (11222002010111), we get a palindrome (22323022032322).

The spelling of 11101020022211 in words is "eleven trillion, one hundred one billion, twenty million, twenty-two thousand, two hundred eleven".