11212222110 has 32 divisors (see below), whose sum is σ = 27636615072. Its totient is φ = 2909116800.

The previous prime is 11212222097. The next prime is 11212222141. The reversal of 11212222110 is 1122221211.

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 11212222110.

It is a congruent number.

It is an unprimeable number.

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, 5049441 + ... + 5051660.

It is an arithmetic number, because the mean of its divisors is an integer number (863644221).

Almost surely, 2^11212222110 is an apocalyptic number.

11212222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212222110 is an abundant number, since it is smaller than the sum of its proper divisors (16424392962).

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

11212222110 is a wasteful number, since it uses less digits than its factorization.

11212222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101148.

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

Adding to 11212222110 its reverse (1122221211), we get a palindrome (12334443321).

The spelling of 11212222110 in words is "eleven billion, two hundred twelve million, two hundred twenty-two thousand, one hundred ten".