11120211201220 has 48 divisors (see below), whose sum is σ = 26973945468288. Its totient is φ = 3805847682560.

The previous prime is 11120211201037. The next prime is 11120211201221. The reversal of 11120211201220 is 2210211202111.

It is a junction number, because it is equal to n+sod(n) for n = 11120211201194 and 11120211201203.

It is not an unprimeable number, because it can be changed into a prime (11120211201221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1486655512 + ... + 1486662991.

It is an arithmetic number, because the mean of its divisors is an integer number (561957197256).

Almost surely, 2^{11120211201220} is an apocalyptic number.

11120211201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11120211201220 is an abundant number, since it is smaller than the sum of its proper divisors (15853734267068).

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

11120211201220 is a wasteful number, since it uses less digits than its factorization.

11120211201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973318540 (or 2973318538 counting only the distinct ones).

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

Adding to 11120211201220 its reverse (2210211202111), we get a palindrome (13330422403331).

The spelling of 11120211201220 in words is "eleven trillion, one hundred twenty billion, two hundred eleven million, two hundred one thousand, two hundred twenty".