11202120202220 has 48 divisors (see below), whose sum is σ = 23684167432800. Its totient is φ = 4450430831616.

The previous prime is 11202120202193. The next prime is 11202120202261. The reversal of 11202120202220 is 2220202120211.

It is a happy number.

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, 40249259 + ... + 40526621.

It is an arithmetic number, because the mean of its divisors is an integer number (493420154850).

Almost surely, 2^{11202120202220} is an apocalyptic number.

11202120202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202120202220 is an abundant number, since it is smaller than the sum of its proper divisors (12482047230580).

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

11202120202220 is a wasteful number, since it uses less digits than its factorization.

11202120202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291074 (or 291072 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11202120202220 its reverse (2220202120211), we get a palindrome (13422322322431).

The spelling of 11202120202220 in words is "eleven trillion, two hundred two billion, one hundred twenty million, two hundred two thousand, two hundred twenty".