11132112210 has 64 divisors (see below), whose sum is σ = 28437018624. Its totient is φ = 2779289600.

The previous prime is 11132112191. The next prime is 11132112241. The reversal of 11132112210 is 1221123111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11132112210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40270 + ... + 154550.

It is an arithmetic number, because the mean of its divisors is an integer number (444328416).

Almost surely, 2^11132112210 is an apocalyptic number.

11132112210 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 11132112210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14218509312).

11132112210 is an abundant number, since it is smaller than the sum of its proper divisors (17304906414).

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

11132112210 is a wasteful number, since it uses less digits than its factorization.

11132112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114499.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11132112210 its reverse (1221123111), we get a palindrome (12353235321).

The spelling of 11132112210 in words is "eleven billion, one hundred thirty-two million, one hundred twelve thousand, two hundred ten".