11121200122222 has 8 divisors (see below), whose sum is σ = 16955272317672. Its totient is φ = 5469442683000.

The previous prime is 11121200122217. The next prime is 11121200122321. The reversal of 11121200122222 is 22222100212111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11121200122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45578688904 + ... + 45578689147.

It is an arithmetic number, because the mean of its divisors is an integer number (2119409039709).

Almost surely, 2^{11121200122222} is an apocalyptic number.

11121200122222 is a deficient number, since it is larger than the sum of its proper divisors (5834072195450).

11121200122222 is an equidigital number, since it uses as much as digits as its factorization.

11121200122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91157378114.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11121200122222 its reverse (22222100212111), we get a palindrome (33343300334333).

The spelling of 11121200122222 in words is "eleven trillion, one hundred twenty-one billion, two hundred million, one hundred twenty-two thousand, two hundred twenty-two".