11210211125 has 16 divisors (see below), whose sum is σ = 14061391344. Its totient is φ = 8922625600.

The previous prime is 11210211121. The next prime is 11210211127. The reversal of 11210211125 is 52111201211.

It can be written as a sum of positive squares in 8 ways, for example, as 43850884 + 11166360241 = 6622^2 + 105671^2 .

It is not a de Polignac number, because 11210211125 - 2² = 11210211121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210211121) 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 15 ways as a sum of consecutive naturals, for example, 202994 + ... + 252243.

It is an arithmetic number, because the mean of its divisors is an integer number (878836959).

Almost surely, 2^11210211125 is an apocalyptic number.

It is an amenable number.

11210211125 is a deficient number, since it is larger than the sum of its proper divisors (2851180219).

11210211125 is an equidigital number, since it uses as much as digits as its factorization.

11210211125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455449 (or 455439 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 11210211125 its reverse (52111201211), we get a palindrome (63321412336).

The spelling of 11210211125 in words is "eleven billion, two hundred ten million, two hundred eleven thousand, one hundred twenty-five".