220020111222201 has 12 divisors (see below), whose sum is σ = 317806977626112. Its totient is φ = 146680004776536.

The previous prime is 220020111222179. The next prime is 220020111222209. The reversal of 220020111222201 is 102222111020022.

It is a happy number.

220020111222201 is a `hidden beast` number, since 220 + 0 + 20 + 1 + 1 + 1 + 222 + 201 = 666.

It is not a de Polignac number, because 220020111222201 - 2⁶ = 220020111222137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220020111222209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20681160 + ... + 29457606.

It is an arithmetic number, because the mean of its divisors is an integer number (26483914802176).

Almost surely, 2^{220020111222201} is an apocalyptic number.

It is an amenable number.

220020111222201 is a deficient number, since it is larger than the sum of its proper divisors (97786866403911).

220020111222201 is a wasteful number, since it uses less digits than its factorization.

220020111222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11561940 (or 11561937 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220020111222201 its reverse (102222111020022), we get a palindrome (322242222242223).

The spelling of 220020111222201 in words is "two hundred twenty trillion, twenty billion, one hundred eleven million, two hundred twenty-two thousand, two hundred one".