220200122801 has 2 divisors, whose sum is σ = 220200122802. Its totient is φ = 220200122800.

The previous prime is 220200122797. The next prime is 220200122803. The reversal of 220200122801 is 108221002022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152912281600 + 67287841201 = 391040^2 + 259399^2 .

It is a cyclic number.

It is not a de Polignac number, because 220200122801 - 2² = 220200122797 is a prime.

Together with 220200122803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220200122803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100061400 + 110100061401.

It is an arithmetic number, because the mean of its divisors is an integer number (110100061401).

Almost surely, 2^220200122801 is an apocalyptic number.

It is an amenable number.

220200122801 is a deficient number, since it is larger than the sum of its proper divisors (1).

220200122801 is an equidigital number, since it uses as much as digits as its factorization.

220200122801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220200122801 its reverse (108221002022), we get a palindrome (328421124823).

The spelling of 220200122801 in words is "two hundred twenty billion, two hundred million, one hundred twenty-two thousand, eight hundred one".