221110110110022 has 64 divisors (see below), whose sum is σ = 534980585018880. Its totient is φ = 59577383303424.

The previous prime is 221110110110011. The next prime is 221110110110033. The reversal of 221110110110022 is 220011011011122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (221110110110011) and next prime (221110110110033).

It is a junction number, because it is equal to n+sod(n) for n = 221110110109983 and 221110110110010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2110824303 + ... + 2110929050.

It is an arithmetic number, because the mean of its divisors is an integer number (8359071640920).

Almost surely, 2^{221110110110022} is an apocalyptic number.

221110110110022 is an abundant number, since it is smaller than the sum of its proper divisors (313870474908858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221110110110022 is a wasteful number, since it uses less digits than its factorization.

221110110110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221753437.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 221110110110022 its reverse (220011011011122), we get a palindrome (441121121121144).

The spelling of 221110110110022 in words is "two hundred twenty-one trillion, one hundred ten billion, one hundred ten million, one hundred ten thousand, twenty-two".