100222221020020 has 48 divisors (see below), whose sum is σ = 231873264596736. Its totient is φ = 36083607920000.

The previous prime is 100222221019981. The next prime is 100222221020063. The reversal of 100222221020020 is 20020122222001.

It is a junction number, because it is equal to n+sod(n) for n = 100222221019976 and 100222221020003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2255203276 + ... + 2255247715.

It is an arithmetic number, because the mean of its divisors is an integer number (4830693012432).

Almost surely, 2^{100222221020020} is an apocalyptic number.

100222221020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100222221020020 is an abundant number, since it is smaller than the sum of its proper divisors (131651043576716).

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

100222221020020 is a wasteful number, since it uses less digits than its factorization.

100222221020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510451112 (or 4510451110 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 100222221020020 its reverse (20020122222001), we get a palindrome (120242343242021).

The spelling of 100222221020020 in words is "one hundred trillion, two hundred twenty-two billion, two hundred twenty-one million, twenty thousand, twenty".