202212221202109 has 2 divisors, whose sum is σ = 202212221202110. Its totient is φ = 202212221202108.

The previous prime is 202212221202037. The next prime is 202212221202119. The reversal of 202212221202109 is 901202122212202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193707328022884 + 8504893179225 = 13917878^2 + 2916315^2 .

It is a cyclic number.

It is not a de Polignac number, because 202212221202109 - 2¹¹ = 202212221200061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202212221202119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101106110601054 + 101106110601055.

It is an arithmetic number, because the mean of its divisors is an integer number (101106110601055).

Almost surely, 2^{202212221202109} is an apocalyptic number.

It is an amenable number.

202212221202109 is a deficient number, since it is larger than the sum of its proper divisors (1).

202212221202109 is an equidigital number, since it uses as much as digits as its factorization.

202212221202109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 202212221202109 in words is "two hundred two trillion, two hundred twelve billion, two hundred twenty-one million, two hundred two thousand, one hundred nine".