202220111111101 has 2 divisors, whose sum is σ = 202220111111102. Its totient is φ = 202220111111100.

The previous prime is 202220111111099. The next prime is 202220111111107. The reversal of 202220111111101 is 101111111022202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188148572159076 + 14071538952025 = 13716726^2 + 3751205^2 .

It is a cyclic number.

It is not a de Polignac number, because 202220111111101 - 2¹ = 202220111111099 is a prime.

Together with 202220111111099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202220111111107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110055555550 + 101110055555551.

It is an arithmetic number, because the mean of its divisors is an integer number (101110055555551).

Almost surely, 2^{202220111111101} is an apocalyptic number.

It is an amenable number.

202220111111101 is a deficient number, since it is larger than the sum of its proper divisors (1).

202220111111101 is an equidigital number, since it uses as much as digits as its factorization.

202220111111101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 202220111111101 its reverse (101111111022202), we get a palindrome (303331222133303).

The spelling of 202220111111101 in words is "two hundred two trillion, two hundred twenty billion, one hundred eleven million, one hundred eleven thousand, one hundred one".