22110021221202 has 48 divisors (see below), whose sum is σ = 48971822274648. Its totient is φ = 7207284407040.

The previous prime is 22110021221191. The next prime is 22110021221209. The reversal of 22110021221202 is 20212212001122.

It is a happy number.

22110021221202 is a `hidden beast` number, since 221 + 1 + 0 + 0 + 21 + 221 + 202 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 21616446123801 + 493575097401 = 4649349^2 + 702549^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22110021221209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58008403 + ... + 58388310.

Almost surely, 2^{22110021221202} is an apocalyptic number.

22110021221202 is an abundant number, since it is smaller than the sum of its proper divisors (26861801053446).

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

22110021221202 is a wasteful number, since it uses less digits than its factorization.

22110021221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116396955 (or 116396952 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22110021221202 its reverse (20212212001122), we get a palindrome (42322233222324).

The spelling of 22110021221202 in words is "twenty-two trillion, one hundred ten billion, twenty-one million, two hundred twenty-one thousand, two hundred two".