1000111023112 has 32 divisors (see below), whose sum is σ = 1910759155200. Its totient is φ = 490576924864.

The previous prime is 1000111023101. The next prime is 1000111023113. The reversal of 1000111023112 is 2113201110001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1000111023092 and 1000111023101.

It is not an unprimeable number, because it can be changed into a prime (1000111023113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4963353 + ... + 5160919.

It is an arithmetic number, because the mean of its divisors is an integer number (59711223600).

Almost surely, 2^{1000111023112} is an apocalyptic number.

It is an amenable number.

1000111023112 is a deficient number, since it is larger than the sum of its proper divisors (910648132088).

1000111023112 is a wasteful number, since it uses less digits than its factorization.

1000111023112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209565 (or 209561 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1000111023112 its reverse (2113201110001), we get a palindrome (3113312133113).

The spelling of 1000111023112 in words is "one trillion, one hundred eleven million, twenty-three thousand, one hundred twelve".