111220011022012 has 12 divisors (see below), whose sum is σ = 195874732788280. Its totient is φ = 55255801653936.

The previous prime is 111220011021997. The next prime is 111220011022031. The reversal of 111220011022012 is 210220110022111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88550963562 + ... + 88550964817.

Almost surely, 2^{111220011022012} is an apocalyptic number.

It is an amenable number.

111220011022012 is a deficient number, since it is larger than the sum of its proper divisors (84654721766268).

111220011022012 is a wasteful number, since it uses less digits than its factorization.

111220011022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177101928540 (or 177101928538 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111220011022012 its reverse (210220110022111), we get a palindrome (321440121044123).

Subtracting 111220011022012 from its reverse (210220110022111), we obtain a palindrome (99000099000099).

The spelling of 111220011022012 in words is "one hundred eleven trillion, two hundred twenty billion, eleven million, twenty-two thousand, twelve".