111222012644144 has 20 divisors (see below), whose sum is σ = 215622699428424. Its totient is φ = 55577445049728.

The previous prime is 111222012644123. The next prime is 111222012644189. The reversal of 111222012644144 is 441446210222111.

It is a super-2 number, since 2×111222012644144² (a number of 29 digits) contains 22 as substring.

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, 2097552182 + ... + 2097605205.

Almost surely, 2^{111222012644144} is an apocalyptic number.

It is an amenable number.

111222012644144 is a deficient number, since it is larger than the sum of its proper divisors (104400686784280).

111222012644144 is a wasteful number, since it uses less digits than its factorization.

111222012644144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195159052 (or 4195159046 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

Adding to 111222012644144 its reverse (441446210222111), we get a palindrome (552668222866255).

The spelling of 111222012644144 in words is "one hundred eleven trillion, two hundred twenty-two billion, twelve million, six hundred forty-four thousand, one hundred forty-four".