220213102321 has 2 divisors, whose sum is σ = 220213102322. Its totient is φ = 220213102320.

The previous prime is 220213102271. The next prime is 220213102331. The reversal of 220213102321 is 123201312022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217962928225 + 2250174096 = 466865^2 + 47436^2 .

It is a cyclic number.

It is not a de Polignac number, because 220213102321 - 2¹⁵ = 220213069553 is a prime.

It is not a weakly prime, because it can be changed into another prime (220213102331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110106551160 + 110106551161.

It is an arithmetic number, because the mean of its divisors is an integer number (110106551161).

Almost surely, 2^220213102321 is an apocalyptic number.

It is an amenable number.

220213102321 is a deficient number, since it is larger than the sum of its proper divisors (1).

220213102321 is an equidigital number, since it uses as much as digits as its factorization.

220213102321 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 220213102321 its reverse (123201312022), we get a palindrome (343414414343).

The spelling of 220213102321 in words is "two hundred twenty billion, two hundred thirteen million, one hundred two thousand, three hundred twenty-one".