220110022221 has 16 divisors (see below), whose sum is σ = 296392212480. Its totient is φ = 145284528240.

The previous prime is 220110022217. The next prime is 220110022259. The reversal of 220110022221 is 122220011022.

It is not a de Polignac number, because 220110022221 - 2² = 220110022217 is a prime.

It is a super-2 number, since 2×220110022221² (a number of 23 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 220110022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220110022421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1432020 + ... + 1578258.

It is an arithmetic number, because the mean of its divisors is an integer number (18524513280).

Almost surely, 2^220110022221 is an apocalyptic number.

It is an amenable number.

220110022221 is a deficient number, since it is larger than the sum of its proper divisors (76282190259).

220110022221 is a wasteful number, since it uses less digits than its factorization.

220110022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151216.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220110022221 its reverse (122220011022), we get a palindrome (342330033243).

The spelling of 220110022221 in words is "two hundred twenty billion, one hundred ten million, twenty-two thousand, two hundred twenty-one".