1020000100112 has 40 divisors (see below), whose sum is σ = 2279679823296. Its totient is φ = 433057447296.

The previous prime is 1020000100099. The next prime is 1020000100117. The reversal of 1020000100112 is 2110010000201.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1020000100112.

It is not an unprimeable number, because it can be changed into a prime (1020000100117) 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, 42544763 + ... + 42568730.

Almost surely, 2^{1020000100112} is an apocalyptic number.

It is an amenable number.

1020000100112 is an abundant number, since it is smaller than the sum of its proper divisors (1259679723184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020000100112 is a wasteful number, since it uses less digits than its factorization.

1020000100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85113615 (or 85113609 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1020000100112 its reverse (2110010000201), we get a palindrome (3130010100313).

The spelling of 1020000100112 in words is "one trillion, twenty billion, one hundred thousand, one hundred twelve".