220102241 has 2 divisors, whose sum is σ = 220102242. Its totient is φ = 220102240.

The previous prime is 220102231. The next prime is 220102271. The reversal of 220102241 is 142201022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117505600 + 102596641 = 10840^2 + 10129^2 .

It is a cyclic number.

It is not a de Polignac number, because 220102241 - 2⁶ = 220102177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220102231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110051120 + 110051121.

It is an arithmetic number, because the mean of its divisors is an integer number (110051121).

Almost surely, 2^220102241 is an apocalyptic number.

It is an amenable number.

220102241 is a deficient number, since it is larger than the sum of its proper divisors (1).

220102241 is an equidigital number, since it uses as much as digits as its factorization.

220102241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 220102241 is about 14835.8431172617. The cubic root of 220102241 is about 603.7745757978.

Adding to 220102241 its reverse (142201022), we get a palindrome (362303263).

The spelling of 220102241 in words is "two hundred twenty million, one hundred two thousand, two hundred forty-one".