21222020110301 has 2 divisors, whose sum is σ = 21222020110302. Its totient is φ = 21222020110300.

The previous prime is 21222020110289. The next prime is 21222020110307. The reversal of 21222020110301 is 10301102022212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14559948062500 + 6662072047801 = 3815750^2 + 2581099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21222020110301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21222020110301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21222020110307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10611010055150 + 10611010055151.

It is an arithmetic number, because the mean of its divisors is an integer number (10611010055151).

Almost surely, 2^{21222020110301} is an apocalyptic number.

It is an amenable number.

21222020110301 is a deficient number, since it is larger than the sum of its proper divisors (1).

21222020110301 is an equidigital number, since it uses as much as digits as its factorization.

21222020110301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21222020110301 its reverse (10301102022212), we get a palindrome (31523122132513).

The spelling of 21222020110301 in words is "twenty-one trillion, two hundred twenty-two billion, twenty million, one hundred ten thousand, three hundred one".