20222120211101 has 2 divisors, whose sum is σ = 20222120211102. Its totient is φ = 20222120211100.

The previous prime is 20222120211071. The next prime is 20222120211107. The reversal of 20222120211101 is 10111202122202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13595480712025 + 6626639499076 = 3687205^2 + 2574226^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222120211101 - 2³⁰ = 20221046469277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20222120211101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20222120211107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111060105550 + 10111060105551.

It is an arithmetic number, because the mean of its divisors is an integer number (10111060105551).

Almost surely, 2^{20222120211101} is an apocalyptic number.

It is an amenable number.

20222120211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222120211101 is an equidigital number, since it uses as much as digits as its factorization.

20222120211101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20222120211101 its reverse (10111202122202), we get a palindrome (30333322333303).

The spelling of 20222120211101 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty million, two hundred eleven thousand, one hundred one".