1000111221112 has 8 divisors (see below), whose sum is σ = 1875208539600. Its totient is φ = 500055610552.

The previous prime is 1000111221089. The next prime is 1000111221139. The reversal of 1000111221112 is 2111221110001.

It is a happy number.

1000111221112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1000111221092 and 1000111221101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62506951312 + ... + 62506951327.

It is an arithmetic number, because the mean of its divisors is an integer number (234401067450).

Almost surely, 2^{1000111221112} is an apocalyptic number.

It is an amenable number.

1000111221112 is a deficient number, since it is larger than the sum of its proper divisors (875097318488).

1000111221112 is a wasteful number, since it uses less digits than its factorization.

1000111221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125013902645 (or 125013902641 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1000111221112 its reverse (2111221110001), we get a palindrome (3111332331113).

The spelling of 1000111221112 in words is "one trillion, one hundred eleven million, two hundred twenty-one thousand, one hundred twelve".