60201221 has 2 divisors, whose sum is σ = 60201222. Its totient is φ = 60201220.

The previous prime is 60201217. The next prime is 60201227. The reversal of 60201221 is 12210206.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31192225 + 29008996 = 5585^2 + 5386^2 .

It is a cyclic number.

It is not a de Polignac number, because 60201221 - 2² = 60201217 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 60201196 and 60201205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60201227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30100610 + 30100611.

It is an arithmetic number, because the mean of its divisors is an integer number (30100611).

Almost surely, 2^60201221 is an apocalyptic number.

It is an amenable number.

60201221 is a deficient number, since it is larger than the sum of its proper divisors (1).

60201221 is an equidigital number, since it uses as much as digits as its factorization.

60201221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 60201221 is about 7758.9445802893. The cubic root of 60201221 is about 391.9239166688.

Adding to 60201221 its reverse (12210206), we get a palindrome (72411427).

The spelling of 60201221 in words is "sixty million, two hundred one thousand, two hundred twenty-one".