120101201102221 has 2 divisors, whose sum is σ = 120101201102222. Its totient is φ = 120101201102220.

The previous prime is 120101201102161. The next prime is 120101201102261. The reversal of 120101201102221 is 122201102101021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120091155049321 + 10046052900 = 10958611^2 + 100230^2 .

It is an emirp because it is prime and its reverse (122201102101021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120101201102221 - 2⁹ = 120101201101709 is a prime.

It is a super-2 number, since 2×120101201102221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120101201102195 and 120101201102204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120101201102261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050600551110 + 60050600551111.

It is an arithmetic number, because the mean of its divisors is an integer number (60050600551111).

Almost surely, 2^{120101201102221} is an apocalyptic number.

It is an amenable number.

120101201102221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120101201102221 is an equidigital number, since it uses as much as digits as its factorization.

120101201102221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120101201102221 its reverse (122201102101021), we get a palindrome (242302303203242).

The spelling of 120101201102221 in words is "one hundred twenty trillion, one hundred one billion, two hundred one million, one hundred two thousand, two hundred twenty-one".