220222211021 has 8 divisors (see below), whose sum is σ = 231615327744. Its totient is φ = 209097167760.

The previous prime is 220222211009. The next prime is 220222211023. The reversal of 220222211021 is 120112222022.

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 220222211021 - 2²⁶ = 220155102157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220222211023) 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, 67016681 + ... + 67019966.

It is an arithmetic number, because the mean of its divisors is an integer number (28951915968).

Almost surely, 2^220222211021 is an apocalyptic number.

It is an amenable number.

220222211021 is a deficient number, since it is larger than the sum of its proper divisors (11393116723).

220222211021 is a wasteful number, since it uses less digits than its factorization.

220222211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134036731.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220222211021 its reverse (120112222022), we get a palindrome (340334433043).

The spelling of 220222211021 in words is "two hundred twenty billion, two hundred twenty-two million, two hundred eleven thousand, twenty-one".