2201201202220 has 96 divisors (see below), whose sum is σ = 4933243792512. Its totient is φ = 822124412928.

The previous prime is 2201201202197. The next prime is 2201201202223. The reversal of 2201201202220 is 222021021022.

It is a junction number, because it is equal to n+sod(n) for n = 2201201202194 and 2201201202203.

It is not an unprimeable number, because it can be changed into a prime (2201201202223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79032337 + ... + 79060183.

It is an arithmetic number, because the mean of its divisors is an integer number (51387956172).

Almost surely, 2^{2201201202220} is an apocalyptic number.

2201201202220 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 2201201202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2466621896256).

2201201202220 is an abundant number, since it is smaller than the sum of its proper divisors (2732042590292).

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

2201201202220 is a wasteful number, since it uses less digits than its factorization.

2201201202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29707 (or 29705 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2201201202220 its reverse (222021021022), we get a palindrome (2423222223242).

The spelling of 2201201202220 in words is "two trillion, two hundred one billion, two hundred one million, two hundred two thousand, two hundred twenty".