122220010202009 has 2 divisors, whose sum is σ = 122220010202010. Its totient is φ = 122220010202008.

The previous prime is 122220010201997. The next prime is 122220010202071. The reversal of 122220010202009 is 900202010022221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97220290201225 + 24999720000784 = 9860035^2 + 4999972^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122220010202009 is a prime.

It is not a weakly prime, because it can be changed into another prime (122220010232009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110005101004 + 61110005101005.

It is an arithmetic number, because the mean of its divisors is an integer number (61110005101005).

Almost surely, 2^{122220010202009} is an apocalyptic number.

It is an amenable number.

122220010202009 is a deficient number, since it is larger than the sum of its proper divisors (1).

122220010202009 is an equidigital number, since it uses as much as digits as its factorization.

122220010202009 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 23.

The spelling of 122220010202009 in words is "one hundred twenty-two trillion, two hundred twenty billion, ten million, two hundred two thousand, nine".