11202211202220 has 36 divisors (see below), whose sum is σ = 33980040647280. Its totient is φ = 2987256320544.

The previous prime is 11202211202209. The next prime is 11202211202251. The reversal of 11202211202220 is 2220211220211.

It is a happy number.

11202211202220 is a `hidden beast` number, since 1 + 1 + 20 + 221 + 1 + 202 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 11202211202193 and 11202211202202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31117253160 + ... + 31117253519.

It is an arithmetic number, because the mean of its divisors is an integer number (943890017980).

Almost surely, 2^{11202211202220} is an apocalyptic number.

11202211202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202211202220 is an abundant number, since it is smaller than the sum of its proper divisors (22777829445060).

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

11202211202220 is a wasteful number, since it uses less digits than its factorization.

11202211202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62234506694 (or 62234506689 counting only the distinct ones).

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

Adding to 11202211202220 its reverse (2220211220211), we get a palindrome (13422422422431).

The spelling of 11202211202220 in words is "eleven trillion, two hundred two billion, two hundred eleven million, two hundred two thousand, two hundred twenty".