220002212200021 has 8 divisors (see below), whose sum is σ = 223286079708864. Its totient is φ = 216718352114880.

The previous prime is 220002212199937. The next prime is 220002212200079. The reversal of 220002212200021 is 120002212200022.

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 220002212200021 - 2¹⁷ = 220002212068949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220002212199968 and 220002212200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220002212200921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96356136 + ... + 98612926.

It is an arithmetic number, because the mean of its divisors is an integer number (27910759963608).

Almost surely, 2^{220002212200021} is an apocalyptic number.

It is an amenable number.

220002212200021 is a deficient number, since it is larger than the sum of its proper divisors (3283867508843).

220002212200021 is a wasteful number, since it uses less digits than its factorization.

220002212200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711851.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220002212200021 its reverse (120002212200022), we get a palindrome (340004424400043).

Subtracting from 220002212200021 its reverse (120002212200022), we obtain a palindrome (99999999999999).

It can be divided in two parts, 22000221 and 2200021, that added together give a palindrome (24200242).

The spelling of 220002212200021 in words is "two hundred twenty trillion, two billion, two hundred twelve million, two hundred thousand, twenty-one".