201120021110101 has 2 divisors, whose sum is σ = 201120021110102. Its totient is φ = 201120021110100.

The previous prime is 201120021110089. The next prime is 201120021110117. The reversal of 201120021110101 is 101011120021102.

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., 124472535039076 + 76647486071025 = 11156726^2 + 8754855^2 .

It is a cyclic number.

It is not a de Polignac number, because 201120021110101 - 2⁴⁷ = 60382532754773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201120021110131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560010555050 + 100560010555051.

It is an arithmetic number, because the mean of its divisors is an integer number (100560010555051).

Almost surely, 2^{201120021110101} is an apocalyptic number.

It is an amenable number.

201120021110101 is a deficient number, since it is larger than the sum of its proper divisors (1).

201120021110101 is an equidigital number, since it uses as much as digits as its factorization.

201120021110101 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 201120021110101 its reverse (101011120021102), we get a palindrome (302131141131203).

The spelling of 201120021110101 in words is "two hundred one trillion, one hundred twenty billion, twenty-one million, one hundred ten thousand, one hundred one".