220221012021 has 8 divisors (see below), whose sum is σ = 293646877920. Its totient is φ = 146804577072.

The previous prime is 220221012019. The next prime is 220221012023. The reversal of 220221012021 is 120210122022.

220221012021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220221012019) and next prime (220221012023).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220221012021 - 2¹ = 220221012019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221012023) 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 7 ways as a sum of consecutive naturals, for example, 2303070 + ... + 2396783.

It is an arithmetic number, because the mean of its divisors is an integer number (36705859740).

Almost surely, 2^220221012021 is an apocalyptic number.

It is an amenable number.

220221012021 is a deficient number, since it is larger than the sum of its proper divisors (73425865899).

220221012021 is a wasteful number, since it uses less digits than its factorization.

220221012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715475.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220221012021 its reverse (120210122022), we get a palindrome (340431134043).

The spelling of 220221012021 in words is "two hundred twenty billion, two hundred twenty-one million, twelve thousand, twenty-one".