220010101102221 has 16 divisors (see below), whose sum is σ = 293465539382400. Its totient is φ = 146614039409088.

The previous prime is 220010101102213. The next prime is 220010101102237. The reversal of 220010101102221 is 122201101010022.

It is not a de Polignac number, because 220010101102221 - 2³ = 220010101102213 is a prime.

It is a super-2 number, since 2×220010101102221² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220010101102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220010101102271) 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, 115338595 + ... + 117230591.

It is an arithmetic number, because the mean of its divisors is an integer number (18341596211400).

Almost surely, 2^{220010101102221} is an apocalyptic number.

It is an amenable number.

220010101102221 is a deficient number, since it is larger than the sum of its proper divisors (73455438280179).

220010101102221 is a wasteful number, since it uses less digits than its factorization.

220010101102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907668.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220010101102221 its reverse (122201101010022), we get a palindrome (342211202112243).

The spelling of 220010101102221 in words is "two hundred twenty trillion, ten billion, one hundred one million, one hundred two thousand, two hundred twenty-one".