100020001112 has 16 divisors (see below), whose sum is σ = 187587795840. Its totient is φ = 49996588896.

The previous prime is 100020001097. The next prime is 100020001139. The reversal of 100020001112 is 211100020001.

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 100020001112.

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, 1644728 + ... + 1704455.

It is an arithmetic number, because the mean of its divisors is an integer number (11724237240).

Almost surely, 2^100020001112 is an apocalyptic number.

It is an amenable number.

100020001112 is a deficient number, since it is larger than the sum of its proper divisors (87567794728).

100020001112 is a wasteful number, since it uses less digits than its factorization.

100020001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352922 (or 3352918 counting only the distinct ones).

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

Adding to 100020001112 its reverse (211100020001), we get a palindrome (311120021113).

The spelling of 100020001112 in words is "one hundred billion, twenty million, one thousand, one hundred twelve".