220102361 has 2 divisors, whose sum is σ = 220102362. Its totient is φ = 220102360.

The previous prime is 220102357. The next prime is 220102369. The reversal of 220102361 is 163201022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181413961 + 38688400 = 13469^2 + 6220^2 .

It is a cyclic number.

It is not a de Polignac number, because 220102361 - 2² = 220102357 is a prime.

It is not a weakly prime, because it can be changed into another prime (220102369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110051180 + 110051181.

It is an arithmetic number, because the mean of its divisors is an integer number (110051181).

Almost surely, 2^220102361 is an apocalyptic number.

It is an amenable number.

220102361 is a deficient number, since it is larger than the sum of its proper divisors (1).

220102361 is an equidigital number, since it uses as much as digits as its factorization.

220102361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 220102361 is about 14835.8471615206. The cubic root of 220102361 is about 603.7746855240.

Adding to 220102361 its reverse (163201022), we get a palindrome (383303383).

The spelling of 220102361 in words is "two hundred twenty million, one hundred two thousand, three hundred sixty-one".