11202101222220 has 48 divisors (see below), whose sum is σ = 34850981581920. Its totient is φ = 2987226992448.

The previous prime is 11202101222197. The next prime is 11202101222227. The reversal of 11202101222220 is 2222210120211.

It is a happy number.

11202101222220 is a `hidden beast` number, since 1 + 12 + 0 + 210 + 1 + 222 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11202101222193 and 11202101222202.

It is not an unprimeable number, because it can be changed into a prime (11202101222227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10372315407 + ... + 10372316486.

It is an arithmetic number, because the mean of its divisors is an integer number (726062116290).

Almost surely, 2^{11202101222220} is an apocalyptic number.

11202101222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202101222220 is an abundant number, since it is smaller than the sum of its proper divisors (23648880359700).

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

11202101222220 is a wasteful number, since it uses less digits than its factorization.

11202101222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20744631911 (or 20744631903 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11202101222220 its reverse (2222210120211), we get a palindrome (13424311342431).

The spelling of 11202101222220 in words is "eleven trillion, two hundred two billion, one hundred one million, two hundred twenty-two thousand, two hundred twenty".