202212212101 has 2 divisors, whose sum is σ = 202212212102. Its totient is φ = 202212212100.

The previous prime is 202212212087. The next prime is 202212212141. The reversal of 202212212101 is 101212212202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170082008100 + 32130204001 = 412410^2 + 179249^2 .

It is a cyclic number.

It is not a de Polignac number, because 202212212101 - 2¹³ = 202212203909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202212212141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101106106050 + 101106106051.

It is an arithmetic number, because the mean of its divisors is an integer number (101106106051).

Almost surely, 2^202212212101 is an apocalyptic number.

It is an amenable number.

202212212101 is a deficient number, since it is larger than the sum of its proper divisors (1).

202212212101 is an equidigital number, since it uses as much as digits as its factorization.

202212212101 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 16.

Adding to 202212212101 its reverse (101212212202), we get a palindrome (303424424303).

It can be divided in two parts, 20221 and 2212101, that added together give a palindrome (2232322).

The spelling of 202212212101 in words is "two hundred two billion, two hundred twelve million, two hundred twelve thousand, one hundred one".