10220120330221 has 2 divisors, whose sum is σ = 10220120330222. Its totient is φ = 10220120330220.

The previous prime is 10220120330219. The next prime is 10220120330243. The reversal of 10220120330221 is 12203302102201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10217708145225 + 2412184996 = 3196515^2 + 49114^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220120330221 - 2¹ = 10220120330219 is a prime.

Together with 10220120330219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10220120330521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110060165110 + 5110060165111.

It is an arithmetic number, because the mean of its divisors is an integer number (5110060165111).

Almost surely, 2^{10220120330221} is an apocalyptic number.

It is an amenable number.

10220120330221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220120330221 is an equidigital number, since it uses as much as digits as its factorization.

10220120330221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10220120330221 its reverse (12203302102201), we get a palindrome (22423422432422).

The spelling of 10220120330221 in words is "ten trillion, two hundred twenty billion, one hundred twenty million, three hundred thirty thousand, two hundred twenty-one".