220210021021 has 8 divisors (see below), whose sum is σ = 224372540160. Its totient is φ = 216047783952.

The previous prime is 220210021001. The next prime is 220210021061. The reversal of 220210021021 is 120120012022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 220210021021 - 2⁷ = 220210020893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220210020992 and 220210021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220210021001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2174316 + ... + 2273338.

It is an arithmetic number, because the mean of its divisors is an integer number (28046567520).

Almost surely, 2^220210021021 is an apocalyptic number.

It is an amenable number.

220210021021 is a deficient number, since it is larger than the sum of its proper divisors (4162519139).

220210021021 is an equidigital number, since it uses as much as digits as its factorization.

220210021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141035.

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

Adding to 220210021021 its reverse (120120012022), we get a palindrome (340330033043).

The spelling of 220210021021 in words is "two hundred twenty billion, two hundred ten million, twenty-one thousand, twenty-one".