220222110021 has 16 divisors (see below), whose sum is σ = 295148293440. Its totient is φ = 146057091840.

The previous prime is 220222109999. The next prime is 220222110061. The reversal of 220222110021 is 120011222022.

It is not a de Polignac number, because 220222110021 - 2²⁵ = 220188555589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220222110061) 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 15 ways as a sum of consecutive naturals, for example, 282525 + ... + 721293.

It is an arithmetic number, because the mean of its divisors is an integer number (18446768340).

Almost surely, 2^220222110021 is an apocalyptic number.

It is an amenable number.

220222110021 is a deficient number, since it is larger than the sum of its proper divisors (74926183419).

220222110021 is a wasteful number, since it uses less digits than its factorization.

220222110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439636.

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

Adding to 220222110021 its reverse (120011222022), we get a palindrome (340233332043).

The spelling of 220222110021 in words is "two hundred twenty billion, two hundred twenty-two million, one hundred ten thousand, twenty-one".