200120100101101 has 2 divisors, whose sum is σ = 200120100101102. Its totient is φ = 200120100101100.

The previous prime is 200120100101087. The next prime is 200120100101137. The reversal of 200120100101101 is 101101001021002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116382044378601 + 83738055722500 = 10788051^2 + 9150850^2 .

It is a cyclic number.

It is not a de Polignac number, because 200120100101101 - 2⁴¹ = 197921076845549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200120100101171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060050050550 + 100060050050551.

It is an arithmetic number, because the mean of its divisors is an integer number (100060050050551).

Almost surely, 2^{200120100101101} is an apocalyptic number.

It is an amenable number.

200120100101101 is a deficient number, since it is larger than the sum of its proper divisors (1).

200120100101101 is an equidigital number, since it uses as much as digits as its factorization.

200120100101101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 200120100101101 its reverse (101101001021002), we get a palindrome (301221101122103).

The spelling of 200120100101101 in words is "two hundred trillion, one hundred twenty billion, one hundred million, one hundred one thousand, one hundred one".