11121120211210 has 8 divisors (see below), whose sum is σ = 20018016380196. Its totient is φ = 4448448084480.

The previous prime is 11121120211199. The next prime is 11121120211303. The reversal of 11121120211210 is 1211202112111.

It can be written as a sum of positive squares in 2 ways, for example, as 9608468661009 + 1512651550201 = 3099753^2 + 1229899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556056010551 + ... + 556056010570.

Almost surely, 2^{11121120211210} is an apocalyptic number.

11121120211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121120211210 is a deficient number, since it is larger than the sum of its proper divisors (8896896168986).

11121120211210 is a wasteful number, since it uses less digits than its factorization.

11121120211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112112021128.

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

Adding to 11121120211210 its reverse (1211202112111), we get a palindrome (12332322323321).

It can be divided in two parts, 1 and 1121120211210, that added together give a palindrome (1121120211211).

The spelling of 11121120211210 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty million, two hundred eleven thousand, two hundred ten".