22222211021011 has 4 divisors (see below), whose sum is σ = 22222596432712. Its totient is φ = 22221825609312.

The previous prime is 22222211020969. The next prime is 22222211021039. The reversal of 22222211021011 is 11012011222222.

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 22222211021011 - 2¹⁷ = 22222210889939 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 22222211021011.

It is not an unprimeable number, because it can be changed into a prime (22222211021911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192619350 + ... + 192734683.

It is an arithmetic number, because the mean of its divisors is an integer number (5555649108178).

Almost surely, 2^{22222211021011} is an apocalyptic number.

22222211021011 is a deficient number, since it is larger than the sum of its proper divisors (385411701).

22222211021011 is an equidigital number, since it uses as much as digits as its factorization.

22222211021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385411700.

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

Adding to 22222211021011 its reverse (11012011222222), we get a palindrome (33234222243233).

The spelling of 22222211021011 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred eleven million, twenty-one thousand, eleven".