11112120011222 has 4 divisors (see below), whose sum is σ = 16668180016836. Its totient is φ = 5556060005610.

The previous prime is 11112120011197. The next prime is 11112120011269. The reversal of 11112120011222 is 22211002121111.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×11112120011222² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11112120011222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778030002804 + ... + 2778030002807.

It is an arithmetic number, because the mean of its divisors is an integer number (4167045004209).

Almost surely, 2^{11112120011222} is an apocalyptic number.

11112120011222 is a deficient number, since it is larger than the sum of its proper divisors (5556060005614).

11112120011222 is an equidigital number, since it uses as much as digits as its factorization.

11112120011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556060005613.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11112120011222 its reverse (22211002121111), we get a palindrome (33323122132333).

The spelling of 11112120011222 in words is "eleven trillion, one hundred twelve billion, one hundred twenty million, eleven thousand, two hundred twenty-two".