10110001200221 has 12 divisors (see below), whose sum is σ = 10947772858932. Its totient is φ = 9332089917696.

The previous prime is 10110001200217. The next prime is 10110001200227. The reversal of 10110001200221 is 12200210001101.

It can be written as a sum of positive squares in 6 ways, for example, as 1501580652100 + 8608420548121 = 1225390^2 + 2934011^2 .

It is not a de Polignac number, because 10110001200221 - 2² = 10110001200217 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110001200227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6759335 + ... + 8118411.

It is an arithmetic number, because the mean of its divisors is an integer number (912314404911).

Almost surely, 2^{10110001200221} is an apocalyptic number.

It is an amenable number.

10110001200221 is a deficient number, since it is larger than the sum of its proper divisors (837771658711).

10110001200221 is a wasteful number, since it uses less digits than its factorization.

10110001200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403120 (or 1403107 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10110001200221 its reverse (12200210001101), we get a palindrome (22310211201322).

The spelling of 10110001200221 in words is "ten trillion, one hundred ten billion, one million, two hundred thousand, two hundred twenty-one".