1202212221109 has 2 divisors, whose sum is σ = 1202212221110. Its totient is φ = 1202212221108.

The previous prime is 1202212221107. The next prime is 1202212221131. The reversal of 1202212221109 is 9011222122021.

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., 925594078084 + 276618143025 = 962078^2 + 525945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202212221109 - 2¹ = 1202212221107 is a prime.

Together with 1202212221107, 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 (1202212221101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601106110554 + 601106110555.

It is an arithmetic number, because the mean of its divisors is an integer number (601106110555).

Almost surely, 2^{1202212221109} is an apocalyptic number.

It is an amenable number.

1202212221109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202212221109 is an equidigital number, since it uses as much as digits as its factorization.

1202212221109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 1202212221109 in words is "one trillion, two hundred two billion, two hundred twelve million, two hundred twenty-one thousand, one hundred nine".