11202110211220 has 12 divisors (see below), whose sum is σ = 23524431443604. Its totient is φ = 4480844084480.

The previous prime is 11202110211209. The next prime is 11202110211337. The reversal of 11202110211220 is 2211201120211.

It can be written as a sum of positive squares in 2 ways, for example, as 4498081073424 + 6704029137796 = 2120868^2 + 2589214^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11202110211194 and 11202110211203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280052755261 + ... + 280052755300.

It is an arithmetic number, because the mean of its divisors is an integer number (1960369286967).

Almost surely, 2^{11202110211220} is an apocalyptic number.

11202110211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202110211220 is an abundant number, since it is smaller than the sum of its proper divisors (12322321232384).

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

11202110211220 is a wasteful number, since it uses less digits than its factorization.

11202110211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560105510570 (or 560105510568 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11202110211220 its reverse (2211201120211), we get a palindrome (13413311331431).

The spelling of 11202110211220 in words is "eleven trillion, two hundred two billion, one hundred ten million, two hundred eleven thousand, two hundred twenty".