10221201110101 has 4 divisors (see below), whose sum is σ = 10295808417612. Its totient is φ = 10146593802592.

The previous prime is 10221201110089. The next prime is 10221201110117. The reversal of 10221201110101 is 10101110212201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6236682102225 + 3984519007876 = 2497335^2 + 1996126^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221201110101 - 2⁵ = 10221201110069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221201810101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37303653550 + ... + 37303653823.

It is an arithmetic number, because the mean of its divisors is an integer number (2573952104403).

Almost surely, 2^{10221201110101} is an apocalyptic number.

It is an amenable number.

10221201110101 is a deficient number, since it is larger than the sum of its proper divisors (74607307511).

10221201110101 is an equidigital number, since it uses as much as digits as its factorization.

10221201110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74607307510.

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

Adding to 10221201110101 its reverse (10101110212201), we get a palindrome (20322311322302).

The spelling of 10221201110101 in words is "ten trillion, two hundred twenty-one billion, two hundred one million, one hundred ten thousand, one hundred one".