2201122110220 has 192 divisors, whose sum is σ = 5219146203264. Its totient is φ = 779433600000.

The previous prime is 2201122110217. The next prime is 2201122110233. The reversal of 2201122110220 is 220112211022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2201122110194 and 2201122110203.

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 63 ways as a sum of consecutive naturals, for example, 163999110 + ... + 164012530.

It is an arithmetic number, because the mean of its divisors is an integer number (27183053142).

Almost surely, 2^{2201122110220} is an apocalyptic number.

2201122110220 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 2201122110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2609573101632).

2201122110220 is an abundant number, since it is smaller than the sum of its proper divisors (3018024093044).

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

2201122110220 is a wasteful number, since it uses less digits than its factorization.

2201122110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13625 (or 13601 counting only the distinct ones).

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

Adding to 2201122110220 its reverse (220112211022), we get a palindrome (2421234321242).

It can be divided in two parts, 220112 and 2110220, that added together give a palindrome (2330332).

The spelling of 2201122110220 in words is "two trillion, two hundred one billion, one hundred twenty-two million, one hundred ten thousand, two hundred twenty".