100112203112020 has 48 divisors (see below), whose sum is σ = 229373188825536. Its totient is φ = 36400432320000.

The previous prime is 100112203111997. The next prime is 100112203112023. The reversal of 100112203112020 is 20211302211001.

It is a junction number, because it is equal to n+sod(n) for n = 100112203111985 and 100112203112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112203112023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23027781 + ... + 27027820.

It is an arithmetic number, because the mean of its divisors is an integer number (4778608100532).

Almost surely, 2^{100112203112020} is an apocalyptic number.

100112203112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100112203112020 is an abundant number, since it is smaller than the sum of its proper divisors (129260985713516).

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

100112203112020 is a wasteful number, since it uses less digits than its factorization.

100112203112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50064712 (or 50064710 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 100112203112020 its reverse (20211302211001), we get a palindrome (120323505323021).

The spelling of 100112203112020 in words is "one hundred trillion, one hundred twelve billion, two hundred three million, one hundred twelve thousand, twenty".