10201120110221 has 2 divisors, whose sum is σ = 10201120110222. Its totient is φ = 10201120110220.

The previous prime is 10201120110217. The next prime is 10201120110241. The reversal of 10201120110221 is 12201102110201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8296623508996 + 1904496601225 = 2880386^2 + 1380035^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201120110221 - 2² = 10201120110217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10201120110196 and 10201120110205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201120110241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100560055110 + 5100560055111.

It is an arithmetic number, because the mean of its divisors is an integer number (5100560055111).

Almost surely, 2^{10201120110221} is an apocalyptic number.

It is an amenable number.

10201120110221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201120110221 is an equidigital number, since it uses as much as digits as its factorization.

10201120110221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10201120110221 its reverse (12201102110201), we get a palindrome (22402222220422).

The spelling of 10201120110221 in words is "ten trillion, two hundred one billion, one hundred twenty million, one hundred ten thousand, two hundred twenty-one".