22102102110220 has 96 divisors (see below), whose sum is σ = 51567442407936. Its totient is φ = 7889919475200.

The previous prime is 22102102110217. The next prime is 22102102110241. The reversal of 22102102110220 is 2201120120122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22102102110194 and 22102102110203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 603007 + ... + 6675913.

It is an arithmetic number, because the mean of its divisors is an integer number (537160858416).

Almost surely, 2^{22102102110220} is an apocalyptic number.

22102102110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22102102110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25783721203968).

22102102110220 is an abundant number, since it is smaller than the sum of its proper divisors (29465340297716).

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

22102102110220 is a wasteful number, since it uses less digits than its factorization.

22102102110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6073231 (or 6073229 counting only the distinct ones).

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

Adding to 22102102110220 its reverse (2201120120122), we get a palindrome (24303222230342).

The spelling of 22102102110220 in words is "twenty-two trillion, one hundred two billion, one hundred two million, one hundred ten thousand, two hundred twenty".