122101100202209 has 4 divisors (see below), whose sum is σ = 122108590624020. Its totient is φ = 122093609780400.

The previous prime is 122101100202121. The next prime is 122101100202223. The reversal of 122101100202209 is 902202001101221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42027953512609 + 80073146689600 = 6482897^2 + 8948360^2 .

It is a cyclic number.

It is not a de Polignac number, because 122101100202209 - 2³⁶ = 122032380725473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122101100202409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3745186454 + ... + 3745219055.

It is an arithmetic number, because the mean of its divisors is an integer number (30527147656005).

Almost surely, 2^{122101100202209} is an apocalyptic number.

It is an amenable number.

122101100202209 is a deficient number, since it is larger than the sum of its proper divisors (7490421811).

122101100202209 is an equidigital number, since it uses as much as digits as its factorization.

122101100202209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7490421810.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 122101100202209 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred million, two hundred two thousand, two hundred nine".