220202221212101 has 8 divisors (see below), whose sum is σ = 223083963153144. Its totient is φ = 217334234603200.

The previous prime is 220202221212053. The next prime is 220202221212139. The reversal of 220202221212101 is 101212122202022.

It can be written as a sum of positive squares in 4 ways, for example, as 84489646830625 + 135712574381476 = 9191825^2 + 11649574^2 .

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 220202221212101 - 2¹⁴ = 220202221195717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220202221212191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3438800810 + ... + 3438864843.

It is an arithmetic number, because the mean of its divisors is an integer number (27885495394143).

Almost surely, 2^{220202221212101} is an apocalyptic number.

It is an amenable number.

220202221212101 is a deficient number, since it is larger than the sum of its proper divisors (2881741941043).

220202221212101 is a wasteful number, since it uses less digits than its factorization.

220202221212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6877666071.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220202221212101 its reverse (101212122202022), we get a palindrome (321414343414123).

The spelling of 220202221212101 in words is "two hundred twenty trillion, two hundred two billion, two hundred twenty-one million, two hundred twelve thousand, one hundred one".