11211002210 has 16 divisors (see below), whose sum is σ = 20204220096. Its totient is φ = 4478975088.

The previous prime is 11211002191. The next prime is 11211002227. The reversal of 11211002210 is 1220011211.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11211002191 and 11211002200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669542 + ... + 686081.

It is an arithmetic number, because the mean of its divisors is an integer number (1262763756).

Almost surely, 2^11211002210 is an apocalyptic number.

11211002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211002210 is a deficient number, since it is larger than the sum of its proper divisors (8993217886).

11211002210 is a wasteful number, since it uses less digits than its factorization.

11211002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356457.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11211002210 its reverse (1220011211), we get a palindrome (12431013421).

Subtracting from 11211002210 its reverse (1220011211), we obtain a palindrome (9990990999).

The spelling of 11211002210 in words is "eleven billion, two hundred eleven million, two thousand, two hundred ten".