111220001222 has 16 divisors (see below), whose sum is σ = 182084403600. Its totient is φ = 50530091040.

The previous prime is 111220001203. The next prime is 111220001227. The reversal of 111220001222 is 222100022111.

It is a junction number, because it is equal to n+sod(n) for n = 111220001197 and 111220001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220001227) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1176197 + ... + 1267232.

It is an arithmetic number, because the mean of its divisors is an integer number (11380275225).

Almost surely, 2^111220001222 is an apocalyptic number.

111220001222 is a deficient number, since it is larger than the sum of its proper divisors (70864402378).

111220001222 is a wasteful number, since it uses less digits than its factorization.

111220001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445511.

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

Adding to 111220001222 its reverse (222100022111), we get a palindrome (333320023333).

The spelling of 111220001222 in words is "one hundred eleven billion, two hundred twenty million, one thousand, two hundred twenty-two".