220021022001 has 16 divisors (see below), whose sum is σ = 320063375808. Its totient is φ = 133332408000.

The previous prime is 220021021963. The next prime is 220021022009. The reversal of 220021022001 is 100220120022.

220021022001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220021022001 - 2⁶ = 220021021937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220021022009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9966 + ... + 663431.

It is an arithmetic number, because the mean of its divisors is an integer number (20003960988).

Almost surely, 2^220021022001 is an apocalyptic number.

It is an amenable number.

220021022001 is a deficient number, since it is larger than the sum of its proper divisors (100042353807).

220021022001 is a wasteful number, since it uses less digits than its factorization.

220021022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683312.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220021022001 its reverse (100220120022), we get a palindrome (320241142023).

The spelling of 220021022001 in words is "two hundred twenty billion, twenty-one million, twenty-two thousand, one".