111122212111120 has 40 divisors (see below), whose sum is σ = 295267592182464. Its totient is φ = 38099044152192.

The previous prime is 111122212111111. The next prime is 111122212111139. The reversal of 111122212111120 is 21111212221111.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99216260254 + ... + 99216261373.

Almost surely, 2^{111122212111120} is an apocalyptic number.

111122212111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122212111120 is an abundant number, since it is smaller than the sum of its proper divisors (184145380071344).

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

111122212111120 is a wasteful number, since it uses less digits than its factorization.

111122212111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198432521647 (or 198432521641 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111122212111120 its reverse (21111212221111), we get a palindrome (132233424332231).

The spelling of 111122212111120 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred twelve million, one hundred eleven thousand, one hundred twenty".