22020222121111 has 2 divisors, whose sum is σ = 22020222121112. Its totient is φ = 22020222121110.

The previous prime is 22020222121087. The next prime is 22020222121129. The reversal of 22020222121111 is 11112122202022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22020222121111 is a prime.

It is a super-3 number, since 3×22020222121111³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020222121141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010111060555 + 11010111060556.

It is an arithmetic number, because the mean of its divisors is an integer number (11010111060556).

Almost surely, 2^{22020222121111} is an apocalyptic number.

22020222121111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020222121111 is an equidigital number, since it uses as much as digits as its factorization.

22020222121111 is an evil number, because the sum of its binary digits is even.

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

Adding to 22020222121111 its reverse (11112122202022), we get a palindrome (33132344323133).

The spelling of 22020222121111 in words is "twenty-two trillion, twenty billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred eleven".