220011220201 has 2 divisors, whose sum is σ = 220011220202. Its totient is φ = 220011220200.

The previous prime is 220011220189. The next prime is 220011220207. The reversal of 220011220201 is 102022110022.

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., 217678233600 + 2332986601 = 466560^2 + 48301^2 .

It is a cyclic number.

It is not a de Polignac number, because 220011220201 - 2⁷ = 220011220073 is a prime.

It is not a weakly prime, because it can be changed into another prime (220011220207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005610100 + 110005610101.

It is an arithmetic number, because the mean of its divisors is an integer number (110005610101).

Almost surely, 2^220011220201 is an apocalyptic number.

It is an amenable number.

220011220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

220011220201 is an equidigital number, since it uses as much as digits as its factorization.

220011220201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220011220201 its reverse (102022110022), we get a palindrome (322033330223).

The spelling of 220011220201 in words is "two hundred twenty billion, eleven million, two hundred twenty thousand, two hundred one".