100220101222021 has 8 divisors (see below), whose sum is σ = 110413504857888. Its totient is φ = 90207111810000.

The previous prime is 100220101221997. The next prime is 100220101222037. The reversal of 100220101222021 is 120222101022001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100220101222021 - 2²⁵ = 100220067667589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100220101221986 and 100220101222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220101222321) 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, 45103554795 + ... + 45103557016.

It is an arithmetic number, because the mean of its divisors is an integer number (13801688107236).

Almost surely, 2^{100220101222021} is an apocalyptic number.

100220101222021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100220101222021 is a deficient number, since it is larger than the sum of its proper divisors (10193403635867).

100220101222021 is a wasteful number, since it uses less digits than its factorization.

100220101222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90207111923.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100220101222021 its reverse (120222101022001), we get a palindrome (220442202244022).

The spelling of 100220101222021 in words is "one hundred trillion, two hundred twenty billion, one hundred one million, two hundred twenty-two thousand, twenty-one".