100020222021 has 8 divisors (see below), whose sum is σ = 133712171680. Its totient is φ = 66504210192.

The previous prime is 100020221999. The next prime is 100020222073. The reversal of 100020222021 is 120222020001.

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

It is not a de Polignac number, because 100020222021 - 2⁵ = 100020221989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100020221988 and 100020222006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020222091) by changing a digit.

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, 43983130 + ... + 43985403.

It is an arithmetic number, because the mean of its divisors is an integer number (16714021460).

Almost surely, 2^100020222021 is an apocalyptic number.

It is an amenable number.

100020222021 is a deficient number, since it is larger than the sum of its proper divisors (33691949659).

100020222021 is an equidigital number, since it uses as much as digits as its factorization.

100020222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87968915.

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

Adding to 100020222021 its reverse (120222020001), we get a palindrome (220242242022).

The spelling of 100020222021 in words is "one hundred billion, twenty million, two hundred twenty-two thousand, twenty-one".