111120022221112 has 16 divisors (see below), whose sum is σ = 208374192720360. Its totient is φ = 55553570829024.

The previous prime is 111120022221073. The next prime is 111120022221151. The reversal of 111120022221112 is 211122220021111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111120022221073) and next prime (111120022221151).

It is a self number, because there is not a number n which added to its sum of digits gives 111120022221112.

It is a congruent number.

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, 804961863 + ... + 805099894.

Almost surely, 2^{111120022221112} is an apocalyptic number.

It is an amenable number.

111120022221112 is a deficient number, since it is larger than the sum of its proper divisors (97254170499248).

111120022221112 is a wasteful number, since it uses less digits than its factorization.

111120022221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610070390 (or 1610070386 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111120022221112 its reverse (211122220021111), we get a palindrome (322242242242223).

The spelling of 111120022221112 in words is "one hundred eleven trillion, one hundred twenty billion, twenty-two million, two hundred twenty-one thousand, one hundred twelve".