11201211210 has 64 divisors (see below), whose sum is σ = 30823575552. Its totient is φ = 2551922496.

The previous prime is 11201211017. The next prime is 11201211211. The reversal of 11201211210 is 1211210211.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11201211211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22402 + ... + 151341.

It is an arithmetic number, because the mean of its divisors is an integer number (481618368).

Almost surely, 2^11201211210 is an apocalyptic number.

11201211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11201211210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15411787776).

11201211210 is an abundant number, since it is smaller than the sum of its proper divisors (19622364342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11201211210 is a wasteful number, since it uses less digits than its factorization.

11201211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174067.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11201211210 its reverse (1211210211), we get a palindrome (12412421421).

Subtracting from 11201211210 its reverse (1211210211), we obtain a palindrome (9990000999).

The spelling of 11201211210 in words is "eleven billion, two hundred one million, two hundred eleven thousand, two hundred ten".