11221022210011 has 4 divisors (see below), whose sum is σ = 11388500153512. Its totient is φ = 11053544266512.

The previous prime is 11221022209961. The next prime is 11221022210029. The reversal of 11221022210011 is 11001222012211.

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 11221022210011 - 2¹³ = 11221022201819 is a prime.

It is a super-2 number, since 2×11221022210011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221022910011) 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, 83738971650 + ... + 83738971783.

It is an arithmetic number, because the mean of its divisors is an integer number (2847125038378).

Almost surely, 2^{11221022210011} is an apocalyptic number.

11221022210011 is a deficient number, since it is larger than the sum of its proper divisors (167477943501).

11221022210011 is an equidigital number, since it uses as much as digits as its factorization.

11221022210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167477943500.

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

Adding to 11221022210011 its reverse (11001222012211), we get a palindrome (22222244222222).

The spelling of 11221022210011 in words is "eleven trillion, two hundred twenty-one billion, twenty-two million, two hundred ten thousand, eleven".