201010120002221 has 16 divisors (see below), whose sum is σ = 214889548204800. Its totient is φ = 187365714375168.

The previous prime is 201010120002191. The next prime is 201010120002269. The reversal of 201010120002221 is 122200021010102.

It is a de Polignac number, because none of the positive numbers 2^k-201010120002221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201010120002196 and 201010120002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010120002421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103025765 + ... + 104958698.

It is an arithmetic number, because the mean of its divisors is an integer number (13430596762800).

Almost surely, 2^{201010120002221} is an apocalyptic number.

It is an amenable number.

201010120002221 is a deficient number, since it is larger than the sum of its proper divisors (13879428202579).

201010120002221 is a wasteful number, since it uses less digits than its factorization.

201010120002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207985028.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201010120002221 its reverse (122200021010102), we get a palindrome (323210141012323).

The spelling of 201010120002221 in words is "two hundred one trillion, ten billion, one hundred twenty million, two thousand, two hundred twenty-one".