11111210210 has 8 divisors (see below), whose sum is σ = 20000178396. Its totient is φ = 4444484080.

The previous prime is 11111210197. The next prime is 11111210213. The reversal of 11111210210 is 1201211111.

11111210210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9863071969 + 1248138241 = 99313^2 + 35329^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11111210191 and 11111210200.

It is not an unprimeable number, because it can be changed into a prime (11111210213) 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 3 ways as a sum of consecutive naturals, for example, 555560501 + ... + 555560520.

Almost surely, 2^11111210210 is an apocalyptic number.

11111210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111210210 is a deficient number, since it is larger than the sum of its proper divisors (8888968186).

11111210210 is a wasteful number, since it uses less digits than its factorization.

11111210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111121028.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11111210210 its reverse (1201211111), we get a palindrome (12312421321).

Subtracting from 11111210210 its reverse (1201211111), we obtain a palindrome (9909999099).

The spelling of 11111210210 in words is "eleven billion, one hundred eleven million, two hundred ten thousand, two hundred ten".