100112221002020 has 24 divisors (see below), whose sum is σ = 210252647875200. Its totient is φ = 40041653396832.

The previous prime is 100112221001993. The next prime is 100112221002089. The reversal of 100112221002020 is 20200122211001.

It is a junction number, because it is equal to n+sod(n) for n = 100112221001986 and 100112221002004.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 201933980 + ... + 202429139.

It is an arithmetic number, because the mean of its divisors is an integer number (8760526994800).

Almost surely, 2^{100112221002020} is an apocalyptic number.

100112221002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100112221002020 is an abundant number, since it is smaller than the sum of its proper divisors (110140426873180).

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

100112221002020 is a wasteful number, since it uses less digits than its factorization.

100112221002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404375507 (or 404375505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100112221002020 its reverse (20200122211001), we get a palindrome (120312343213021).

The spelling of 100112221002020 in words is "one hundred trillion, one hundred twelve billion, two hundred twenty-one million, two thousand, twenty".