111220202221112 has 32 divisors (see below), whose sum is σ = 220805585506800. Its totient is φ = 52338735634944.

The previous prime is 111220202221103. The next prime is 111220202221159. The reversal of 111220202221112 is 211122202022111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42551939 + ... + 45089997.

Almost surely, 2^{111220202221112} is an apocalyptic number.

It is an amenable number.

111220202221112 is a deficient number, since it is larger than the sum of its proper divisors (109585383285688).

111220202221112 is a wasteful number, since it uses less digits than its factorization.

111220202221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860295 (or 2860291 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111220202221112 its reverse (211122202022111), we get a palindrome (322342404243223).

The spelling of 111220202221112 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred two million, two hundred twenty-one thousand, one hundred twelve".