11121100120210 has 8 divisors (see below), whose sum is σ = 20017980216396. Its totient is φ = 4448440048080.

The previous prime is 11121100120133. The next prime is 11121100120211. The reversal of 11121100120210 is 1202100112111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10790062141329 + 331037978881 = 3284823^2 + 575359^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11121100120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556055006001 + ... + 556055006020.

Almost surely, 2^{11121100120210} is an apocalyptic number.

11121100120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121100120210 is a deficient number, since it is larger than the sum of its proper divisors (8896880096186).

11121100120210 is a wasteful number, since it uses less digits than its factorization.

11121100120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112110012028.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11121100120210 its reverse (1202100112111), we get a palindrome (12323200232321).

The spelling of 11121100120210 in words is "eleven trillion, one hundred twenty-one billion, one hundred million, one hundred twenty thousand, two hundred ten".