100020011112 has 96 divisors (see below), whose sum is σ = 321051931200. Its totient is φ = 28577142144.

The previous prime is 100020011051. The next prime is 100020011123. The reversal of 100020011112 is 211110020001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100020011094 and 100020011103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3661437 + ... + 3688652.

It is an arithmetic number, because the mean of its divisors is an integer number (3344290950).

Almost surely, 2^100020011112 is an apocalyptic number.

100020011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100020011112 is an abundant number, since it is smaller than the sum of its proper divisors (221031920088).

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

100020011112 is an equidigital number, since it uses as much as digits as its factorization.

100020011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7350117 (or 7350101 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100020011112 its reverse (211110020001), we get a palindrome (311130031113).

The spelling of 100020011112 in words is "one hundred billion, twenty million, eleven thousand, one hundred twelve".