22120220211 has 8 divisors (see below), whose sum is σ = 29560205760. Its totient is φ = 14713524072.

The previous prime is 22120220189. The next prime is 22120220231. The reversal of 22120220211 is 11202202122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22120220211 - 2¹¹ = 22120218163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22120220231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8320801 + ... + 8323458.

It is an arithmetic number, because the mean of its divisors is an integer number (3695025720).

Almost surely, 2^22120220211 is an apocalyptic number.

22120220211 is a deficient number, since it is larger than the sum of its proper divisors (7439985549).

22120220211 is a wasteful number, since it uses less digits than its factorization.

22120220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16644705.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22120220211 its reverse (11202202122), we get a palindrome (33322422333).

The spelling of 22120220211 in words is "twenty-two billion, one hundred twenty million, two hundred twenty thousand, two hundred eleven".