11122200112212 has 72 divisors (see below), whose sum is σ = 32159773900800. Its totient is φ = 3174905942208.

The previous prime is 11122200112181. The next prime is 11122200112249. The reversal of 11122200112212 is 21221100222111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19619412 + ... + 20178347.

It is an arithmetic number, because the mean of its divisors is an integer number (446663526400).

Almost surely, 2^{11122200112212} is an apocalyptic number.

11122200112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11122200112212 is an abundant number, since it is smaller than the sum of its proper divisors (21037573788588).

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

11122200112212 is a wasteful number, since it uses less digits than its factorization.

11122200112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39798885 (or 39798880 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11122200112212 its reverse (21221100222111), we get a palindrome (32343300334323).

The spelling of 11122200112212 in words is "eleven trillion, one hundred twenty-two billion, two hundred million, one hundred twelve thousand, two hundred twelve".