11222112210 has 32 divisors (see below), whose sum is σ = 27660992832. Its totient is φ = 2911682880.

The previous prime is 11222112191. The next prime is 11222112211. The reversal of 11222112210 is 1221122211.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11222112210.

It is not an unprimeable number, because it can be changed into a prime (11222112211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5053896 + ... + 5056115.

It is an arithmetic number, because the mean of its divisors is an integer number (864406026).

Almost surely, 2^11222112210 is an apocalyptic number.

11222112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222112210 is an abundant number, since it is smaller than the sum of its proper divisors (16438880622).

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

11222112210 is a wasteful number, since it uses less digits than its factorization.

11222112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110058.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11222112210 its reverse (1221122211), we get a palindrome (12443234421).

The spelling of 11222112210 in words is "eleven billion, two hundred twenty-two million, one hundred twelve thousand, two hundred ten".