111200120222 has 4 divisors (see below), whose sum is σ = 166800180336. Its totient is φ = 55600060110.

The previous prime is 111200120209. The next prime is 111200120257. The reversal of 111200120222 is 222021002111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111200120197 and 111200120206.

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 as a sum of consecutive naturals, namely, 27800030054 + ... + 27800030057.

It is an arithmetic number, because the mean of its divisors is an integer number (41700045084).

Almost surely, 2^111200120222 is an apocalyptic number.

111200120222 is a deficient number, since it is larger than the sum of its proper divisors (55600060114).

111200120222 is an equidigital number, since it uses as much as digits as its factorization.

111200120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55600060113.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111200120222 its reverse (222021002111), we get a palindrome (333221122333).

The spelling of 111200120222 in words is "one hundred eleven billion, two hundred million, one hundred twenty thousand, two hundred twenty-two".