22020222112211 has 4 divisors (see below), whose sum is σ = 22238244113424. Its totient is φ = 21802200111000.

The previous prime is 22020222112199. The next prime is 22020222112237. The reversal of 22020222112211 is 11221122202022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22020222112211 is a prime.

It is a super-2 number, since 2×22020222112211² (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 (22020222112271) 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, 109011000455 + ... + 109011000656.

It is an arithmetic number, because the mean of its divisors is an integer number (5559561028356).

Almost surely, 2^{22020222112211} is an apocalyptic number.

22020222112211 is a deficient number, since it is larger than the sum of its proper divisors (218022001213).

22020222112211 is a wasteful number, since it uses less digits than its factorization.

22020222112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218022001212.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22020222112211 its reverse (11221122202022), we get a palindrome (33241344314233).

The spelling of 22020222112211 in words is "twenty-two trillion, twenty billion, two hundred twenty-two million, one hundred twelve thousand, two hundred eleven".