11201222222220 has 48 divisors (see below), whose sum is σ = 31387492604160. Its totient is φ = 2984700175296.

The previous prime is 11201222222137. The next prime is 11201222222233. The reversal of 11201222222220 is 2222222210211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71559210 + ... + 71715569.

It is an arithmetic number, because the mean of its divisors is an integer number (653906095920).

Almost surely, 2^{11201222222220} is an apocalyptic number.

11201222222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201222222220 is an abundant number, since it is smaller than the sum of its proper divisors (20186270381940).

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

11201222222220 is a wasteful number, since it uses less digits than its factorization.

11201222222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143276094 (or 143276092 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11201222222220 its reverse (2222222210211), we get a palindrome (13423444432431).

The spelling of 11201222222220 in words is "eleven trillion, two hundred one billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty".