200122120122101 has 2 divisors, whose sum is σ = 200122120122102. Its totient is φ = 200122120122100.

The previous prime is 200122120122077. The next prime is 200122120122149. The reversal of 200122120122101 is 101221021221002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199909482934225 + 212637187876 = 14138935^2 + 461126^2 .

It is a cyclic number.

It is not a de Polignac number, because 200122120122101 - 2¹⁴ = 200122120105717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200122120122101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200122120128101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100061060061050 + 100061060061051.

It is an arithmetic number, because the mean of its divisors is an integer number (100061060061051).

Almost surely, 2^{200122120122101} is an apocalyptic number.

It is an amenable number.

200122120122101 is a deficient number, since it is larger than the sum of its proper divisors (1).

200122120122101 is an equidigital number, since it uses as much as digits as its factorization.

200122120122101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200122120122101 its reverse (101221021221002), we get a palindrome (301343141343103).

The spelling of 200122120122101 in words is "two hundred trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, one hundred one".