111200001222 has 16 divisors (see below), whose sum is σ = 223397314560. Its totient is φ = 36900448392.

The previous prime is 111200001161. The next prime is 111200001239. The reversal of 111200001222 is 222100002111.

It is a junction number, because it is equal to n+sod(n) for n = 111200001198 and 111200001207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41553222 + ... + 41555897.

It is an arithmetic number, because the mean of its divisors is an integer number (13962332160).

Almost surely, 2^111200001222 is an apocalyptic number.

111200001222 is an abundant number, since it is smaller than the sum of its proper divisors (112197313338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111200001222 is a wasteful number, since it uses less digits than its factorization.

111200001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83109347.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 111200001222 its reverse (222100002111), we get a palindrome (333300003333).

The spelling of 111200001222 in words is "one hundred eleven billion, two hundred million, one thousand, two hundred twenty-two".