100002211202020 has 24 divisors (see below), whose sum is σ = 211537524139704. Its totient is φ = 39708907220736.

The previous prime is 100002211201973. The next prime is 100002211202021. The reversal of 100002211202020 is 20202112200001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 404485824064 + 99597725377956 = 635992^2 + 9979866^2 .

It is not an unprimeable number, because it can be changed into a prime (100002211202021) 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 7 ways as a sum of consecutive naturals, for example, 18248575947 + ... + 18248581426.

It is an arithmetic number, because the mean of its divisors is an integer number (8814063505821).

Almost surely, 2^{100002211202020} is an apocalyptic number.

100002211202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100002211202020 is an abundant number, since it is smaller than the sum of its proper divisors (111535312937684).

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

100002211202020 is a wasteful number, since it uses less digits than its factorization.

100002211202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36497157519 (or 36497157517 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100002211202020 its reverse (20202112200001), we get a palindrome (120204323402021).

The spelling of 100002211202020 in words is "one hundred trillion, two billion, two hundred eleven million, two hundred two thousand, twenty".