122002211222009 has 2 divisors, whose sum is σ = 122002211222010. Its totient is φ = 122002211222008.

The previous prime is 122002211221997. The next prime is 122002211222093. The reversal of 122002211222009 is 900222112200221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92442840678400 + 29559370543609 = 9614720^2 + 5436853^2 .

It is an emirp because it is prime and its reverse (900222112200221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122002211222009 - 2⁴ = 122002211221993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (122002211222809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61001105611004 + 61001105611005.

It is an arithmetic number, because the mean of its divisors is an integer number (61001105611005).

Almost surely, 2^{122002211222009} is an apocalyptic number.

It is an amenable number.

122002211222009 is a deficient number, since it is larger than the sum of its proper divisors (1).

122002211222009 is an equidigital number, since it uses as much as digits as its factorization.

122002211222009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 122002211222009 in words is "one hundred twenty-two trillion, two billion, two hundred eleven million, two hundred twenty-two thousand, nine".