22212210221011 has 4 divisors (see below), whose sum is σ = 22212315924192. Its totient is φ = 22212104517832.

The previous prime is 22212210220939. The next prime is 22212210221107. The reversal of 22212210221011 is 11012201221222.

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 22212210221011 - 2²⁹ = 22211673350099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22212210221011.

It is not an unprimeable number, because it can be changed into a prime (22212210224011) 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, 52535755 + ... + 52956868.

It is an arithmetic number, because the mean of its divisors is an integer number (5553078981048).

Almost surely, 2^{22212210221011} is an apocalyptic number.

22212210221011 is a deficient number, since it is larger than the sum of its proper divisors (105703181).

22212210221011 is a wasteful number, since it uses less digits than its factorization.

22212210221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105703180.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22212210221011 its reverse (11012201221222), we get a palindrome (33224411442233).

The spelling of 22212210221011 in words is "twenty-two trillion, two hundred twelve billion, two hundred ten million, two hundred twenty-one thousand, eleven".