220110012020221 has 8 divisors (see below), whose sum is σ = 221814703576224. Its totient is φ = 218405691107760.

The previous prime is 220110012020203. The next prime is 220110012020303. The reversal of 220110012020221 is 122020210011022.

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 220110012020221 - 2¹³ = 220110012012029 is a prime.

It is a super-3 number, since 3×220110012020221³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220110012020195 and 220110012020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220110012027221) 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, 91468510 + ... + 93844063.

It is an arithmetic number, because the mean of its divisors is an integer number (27726837947028).

Almost surely, 2^{220110012020221} is an apocalyptic number.

It is an amenable number.

220110012020221 is a deficient number, since it is larger than the sum of its proper divisors (1704691556003).

220110012020221 is a wasteful number, since it uses less digits than its factorization.

220110012020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185321771.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220110012020221 its reverse (122020210011022), we get a palindrome (342130222031243).

The spelling of 220110012020221 in words is "two hundred twenty trillion, one hundred ten billion, twelve million, twenty thousand, two hundred twenty-one".