111000120001012 has 48 divisors (see below), whose sum is σ = 212748676564032. Its totient is φ = 50254780538880.

The previous prime is 111000120000977. The next prime is 111000120001051. The reversal of 111000120001012 is 210100021000111.

It is a self number, because there is not a number n which added to its sum of digits gives 111000120001012.

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 15 ways as a sum of consecutive naturals, for example, 165701098 + ... + 166369630.

It is an arithmetic number, because the mean of its divisors is an integer number (4432264095084).

Almost surely, 2^{111000120001012} is an apocalyptic number.

It is an amenable number.

111000120001012 is a deficient number, since it is larger than the sum of its proper divisors (101748556563020).

111000120001012 is a wasteful number, since it uses less digits than its factorization.

111000120001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683488 (or 683486 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111000120001012 its reverse (210100021000111), we get a palindrome (321100141001123).

Subtracting 111000120001012 from its reverse (210100021000111), we obtain a palindrome (99099900999099).

The spelling of 111000120001012 in words is "one hundred eleven trillion, one hundred twenty million, one thousand, twelve".