1112111410021 has 16 divisors (see below), whose sum is σ = 1161983775744. Its totient is φ = 1063547622144.

The previous prime is 1112111410001. The next prime is 1112111410027. The reversal of 1112111410021 is 1200141112111.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112111410021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112111409977 and 1112111410004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112111410027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862981 + ... + 1723066.

It is an arithmetic number, because the mean of its divisors is an integer number (72623985984).

Almost surely, 2^{1112111410021} is an apocalyptic number.

It is an amenable number.

1112111410021 is a deficient number, since it is larger than the sum of its proper divisors (49872365723).

1112111410021 is a wasteful number, since it uses less digits than its factorization.

1112111410021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586300.

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

Adding to 1112111410021 its reverse (1200141112111), we get a palindrome (2312252522132).

The spelling of 1112111410021 in words is "one trillion, one hundred twelve billion, one hundred eleven million, four hundred ten thousand, twenty-one".