100220112000020 has 24 divisors (see below), whose sum is σ = 210464843871744. Its totient is φ = 40087547910176.

The previous prime is 100220111999971. The next prime is 100220112000059. The reversal of 100220112000020 is 20000211022001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100220111999965 and 100220112000010.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 29399564 + ... + 32630883.

It is an arithmetic number, because the mean of its divisors is an integer number (8769368494656).

Almost surely, 2^{100220112000020} is an apocalyptic number.

100220112000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220112000020 is an abundant number, since it is smaller than the sum of its proper divisors (110244731871724).

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

100220112000020 is a wasteful number, since it uses less digits than its factorization.

100220112000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62111239 (or 62111237 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100220112000020 its reverse (20000211022001), we get a palindrome (120220323022021).

The spelling of 100220112000020 in words is "one hundred trillion, two hundred twenty billion, one hundred twelve million, twenty", and thus it is an aban number.