220200222212021 has 16 divisors (see below), whose sum is σ = 225525086438400. Its totient is φ = 214937359728000.

The previous prime is 220200222211999. The next prime is 220200222212041. The reversal of 220200222212021 is 120212222002022.

It is a cyclic number.

It is not a de Polignac number, because 220200222212021 - 2¹⁴ = 220200222195637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220200222211984 and 220200222212002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200222212041) 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 15 ways as a sum of consecutive naturals, for example, 129444860 + ... + 131134938.

It is an arithmetic number, because the mean of its divisors is an integer number (14095317902400).

Almost surely, 2^{220200222212021} is an apocalyptic number.

It is an amenable number.

220200222212021 is a deficient number, since it is larger than the sum of its proper divisors (5324864226379).

220200222212021 is a wasteful number, since it uses less digits than its factorization.

220200222212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708420.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 220200222212021 its reverse (120212222002022), we get a palindrome (340412444214043).

The spelling of 220200222212021 in words is "two hundred twenty trillion, two hundred billion, two hundred twenty-two million, two hundred twelve thousand, twenty-one".