200111202110101 has 2 divisors, whose sum is σ = 200111202110102. Its totient is φ = 200111202110100.

The previous prime is 200111202110081. The next prime is 200111202110123. The reversal of 200111202110101 is 101011202111002.

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., 175898415528900 + 24212786581201 = 13262670^2 + 4920649^2 .

It is a cyclic number.

It is not a de Polignac number, because 200111202110101 - 2²³ = 200111193721493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200111202111101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100055601055050 + 100055601055051.

It is an arithmetic number, because the mean of its divisors is an integer number (100055601055051).

Almost surely, 2^{200111202110101} is an apocalyptic number.

It is an amenable number.

200111202110101 is a deficient number, since it is larger than the sum of its proper divisors (1).

200111202110101 is an equidigital number, since it uses as much as digits as its factorization.

200111202110101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 200111202110101 its reverse (101011202111002), we get a palindrome (301122404221103).

Subtracting from 200111202110101 its reverse (101011202111002), we obtain a palindrome (99099999999099).

The spelling of 200111202110101 in words is "two hundred trillion, one hundred eleven billion, two hundred two million, one hundred ten thousand, one hundred one".