1020100012112 has 40 divisors (see below), whose sum is σ = 1992861511200. Its totient is φ = 505821278592.

The previous prime is 1020100012049. The next prime is 1020100012229. The reversal of 1020100012112 is 2112100010201.

It is a junction number, because it is equal to n+sod(n) for n = 1020100012093 and 1020100012102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1764314 + ... + 2270022.

It is an arithmetic number, because the mean of its divisors is an integer number (49821537780).

Almost surely, 2^{1020100012112} is an apocalyptic number.

It is an amenable number.

1020100012112 is a deficient number, since it is larger than the sum of its proper divisors (972761499088).

1020100012112 is a wasteful number, since it uses less digits than its factorization.

1020100012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506763 (or 506757 counting only the distinct ones).

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

Adding to 1020100012112 its reverse (2112100010201), we get a palindrome (3132200022313).

The spelling of 1020100012112 in words is "one trillion, twenty billion, one hundred million, twelve thousand, one hundred twelve".