100112111010020 has 96 divisors (see below), whose sum is σ = 217396508491008. Its totient is φ = 38700700803072.

The previous prime is 100112111010019. The next prime is 100112111010113. The reversal of 100112111010020 is 20010111211001.

It is a junction number, because it is equal to n+sod(n) for n = 100112111009983 and 100112111010010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339622337 + ... + 339916983.

It is an arithmetic number, because the mean of its divisors is an integer number (2264546963448).

Almost surely, 2^{100112111010020} is an apocalyptic number.

100112111010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100112111010020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108698254245504).

100112111010020 is an abundant number, since it is smaller than the sum of its proper divisors (117284397480988).

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

100112111010020 is a wasteful number, since it uses less digits than its factorization.

100112111010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298869 (or 298867 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100112111010020 its reverse (20010111211001), we get a palindrome (120122222221021).

The spelling of 100112111010020 in words is "one hundred trillion, one hundred twelve billion, one hundred eleven million, ten thousand, twenty".