22212031011 has 4 divisors (see below), whose sum is σ = 29616041352. Its totient is φ = 14808020672.

The previous prime is 22212030991. The next prime is 22212031019. The reversal of 22212031011 is 11013021222.

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 22212031011 - 2⁶ = 22212030947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212031019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3702005166 + ... + 3702005171.

It is an arithmetic number, because the mean of its divisors is an integer number (7404010338).

Almost surely, 2^22212031011 is an apocalyptic number.

22212031011 is a deficient number, since it is larger than the sum of its proper divisors (7404010341).

22212031011 is an equidigital number, since it uses as much as digits as its factorization.

22212031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7404010340.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22212031011 its reverse (11013021222), we get a palindrome (33225052233).

The spelling of 22212031011 in words is "twenty-two billion, two hundred twelve million, thirty-one thousand, eleven".