222020128201 has 2 divisors, whose sum is σ = 222020128202. Its totient is φ = 222020128200.

The previous prime is 222020128177. The next prime is 222020128207. The reversal of 222020128201 is 102821020222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216518049225 + 5502078976 = 465315^2 + 74176^2 .

It is a cyclic number.

It is not a de Polignac number, because 222020128201 - 2⁷ = 222020128073 is a prime.

It is not a weakly prime, because it can be changed into another prime (222020128207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111010064100 + 111010064101.

It is an arithmetic number, because the mean of its divisors is an integer number (111010064101).

Almost surely, 2^222020128201 is an apocalyptic number.

It is an amenable number.

222020128201 is a deficient number, since it is larger than the sum of its proper divisors (1).

222020128201 is an equidigital number, since it uses as much as digits as its factorization.

222020128201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222020128201 its reverse (102821020222), we get a palindrome (324841148423).

The spelling of 222020128201 in words is "two hundred twenty-two billion, twenty million, one hundred twenty-eight thousand, two hundred one".