20022111222211 has 24 divisors (see below), whose sum is σ = 23624245244160. Its totient is φ = 16918015842000.

The previous prime is 20022111222181. The next prime is 20022111222241. The reversal of 20022111222211 is 11222211122002.

It is an interprime number because it is at equal distance from previous prime (20022111222181) and next prime (20022111222241).

It is not a de Polignac number, because 20022111222211 - 2¹³ = 20022111214019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022111222241) 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 23 ways as a sum of consecutive naturals, for example, 9359191 + ... + 11297728.

It is an arithmetic number, because the mean of its divisors is an integer number (984343551840).

Almost surely, 2^{20022111222211} is an apocalyptic number.

20022111222211 is a deficient number, since it is larger than the sum of its proper divisors (3602134021949).

20022111222211 is a wasteful number, since it uses less digits than its factorization.

20022111222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20657215 (or 20657208 counting only the distinct ones).

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

Adding to 20022111222211 its reverse (11222211122002), we get a palindrome (31244322344213).

The spelling of 20022111222211 in words is "twenty trillion, twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred eleven".