201222020222101 has 2 divisors, whose sum is σ = 201222020222102. Its totient is φ = 201222020222100.

The previous prime is 201222020222089. The next prime is 201222020222107. The reversal of 201222020222101 is 101222020222102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183737997890001 + 17484022332100 = 13554999^2 + 4181390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201222020222101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201222020222107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100611010111050 + 100611010111051.

It is an arithmetic number, because the mean of its divisors is an integer number (100611010111051).

Almost surely, 2^{201222020222101} is an apocalyptic number.

It is an amenable number.

201222020222101 is a deficient number, since it is larger than the sum of its proper divisors (1).

201222020222101 is an equidigital number, since it uses as much as digits as its factorization.

201222020222101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201222020222101 its reverse (101222020222102), we get a palindrome (302444040444203).

Subtracting from 201222020222101 its reverse (101222020222102), we obtain a palindrome (99999999999999).

The spelling of 201222020222101 in words is "two hundred one trillion, two hundred twenty-two billion, twenty million, two hundred twenty-two thousand, one hundred one".