1020011112112 has 10 divisors (see below), whose sum is σ = 1976271529748. Its totient is φ = 510005556048.

The previous prime is 1020011112103. The next prime is 1020011112151. The reversal of 1020011112112 is 2112111100201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020011112092 and 1020011112101.

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 as a sum of consecutive naturals, namely, 31875347238 + ... + 31875347269.

Almost surely, 2^{1020011112112} is an apocalyptic number.

It is an amenable number.

1020011112112 is a deficient number, since it is larger than the sum of its proper divisors (956260417636).

1020011112112 is an equidigital number, since it uses as much as digits as its factorization.

1020011112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63750694515 (or 63750694509 counting only the distinct ones).

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

Adding to 1020011112112 its reverse (2112111100201), we get a palindrome (3132122212313).

The spelling of 1020011112112 in words is "one trillion, twenty billion, eleven million, one hundred twelve thousand, one hundred twelve".