1020011200112 has 20 divisors (see below), whose sum is σ = 1988396071560. Its totient is φ = 506876730048.

The previous prime is 1020011200079. The next prime is 1020011200139. The reversal of 1020011200112 is 2110021100201.

It is a junction number, because it is equal to n+sod(n) for n = 1020011200093 and 1020011200102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195551687 + ... + 195556902.

It is an arithmetic number, because the mean of its divisors is an integer number (99419803578).

Almost surely, 2^{1020011200112} is an apocalyptic number.

It is an amenable number.

1020011200112 is a deficient number, since it is larger than the sum of its proper divisors (968384871448).

1020011200112 is a wasteful number, since it uses less digits than its factorization.

1020011200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391108760 (or 391108754 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020011200112 its reverse (2110021100201), we get a palindrome (3130032300313).

The spelling of 1020011200112 in words is "one trillion, twenty billion, eleven million, two hundred thousand, one hundred twelve".