122102221102009 has 2 divisors, whose sum is σ = 122102221102010. Its totient is φ = 122102221102008.

The previous prime is 122102221101967. The next prime is 122102221102091. The reversal of 122102221102009 is 900201122201221.

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., 97185152212009 + 24917068890000 = 9858253^2 + 4991700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122102221102009 is a prime.

It is not a weakly prime, because it can be changed into another prime (122102221102109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051110551004 + 61051110551005.

It is an arithmetic number, because the mean of its divisors is an integer number (61051110551005).

Almost surely, 2^{122102221102009} is an apocalyptic number.

It is an amenable number.

122102221102009 is a deficient number, since it is larger than the sum of its proper divisors (1).

122102221102009 is an equidigital number, since it uses as much as digits as its factorization.

122102221102009 is an evil number, because the sum of its binary digits is even.

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

The spelling of 122102221102009 in words is "one hundred twenty-two trillion, one hundred two billion, two hundred twenty-one million, one hundred two thousand, nine".