111211000001222 has 8 divisors (see below), whose sum is σ = 181981636365672. Its totient is φ = 50550454546000.

The previous prime is 111211000001207. The next prime is 111211000001303. The reversal of 111211000001222 is 222100000112111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111211000001197 and 111211000001206.

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, 2527522727279 + ... + 2527522727322.

It is an arithmetic number, because the mean of its divisors is an integer number (22747704545709).

Almost surely, 2^{111211000001222} is an apocalyptic number.

111211000001222 is a deficient number, since it is larger than the sum of its proper divisors (70770636364450).

111211000001222 is a wasteful number, since it uses less digits than its factorization.

111211000001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055045454614.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111211000001222 its reverse (222100000112111), we get a palindrome (333311000113333).

The spelling of 111211000001222 in words is "one hundred eleven trillion, two hundred eleven billion, one thousand, two hundred twenty-two".