100220020200021 has 32 divisors (see below), whose sum is σ = 134910692589568. Its totient is φ = 66173256192960.

The previous prime is 100220020200019. The next prime is 100220020200029. The reversal of 100220020200021 is 120002020022001.

It is not a de Polignac number, because 100220020200021 - 2¹ = 100220020200019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220020200029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 522763035 + ... + 522954711.

It is an arithmetic number, because the mean of its divisors is an integer number (4215959143424).

Almost surely, 2^{100220020200021} is an apocalyptic number.

It is an amenable number.

100220020200021 is a deficient number, since it is larger than the sum of its proper divisors (34690672389547).

100220020200021 is a wasteful number, since it uses less digits than its factorization.

100220020200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194161.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 100220020200021 its reverse (120002020022001), we get a palindrome (220222040222022).

The spelling of 100220020200021 in words is "one hundred trillion, two hundred twenty billion, twenty million, two hundred thousand, twenty-one".