100000022021 has 8 divisors (see below), whose sum is σ = 102141346944. Its totient is φ = 97859266560.

The previous prime is 100000021987. The next prime is 100000022027. The reversal of 100000022021 is 120220000001.

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 100000022021 - 2³⁴ = 82820152837 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 (100000022027) 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, 222506 + ... + 499508.

It is an arithmetic number, because the mean of its divisors is an integer number (12767668368).

Almost surely, 2^100000022021 is an apocalyptic number.

It is an amenable number.

100000022021 is a deficient number, since it is larger than the sum of its proper divisors (2141324923).

100000022021 is an equidigital number, since it uses as much as digits as its factorization.

100000022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284731.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 100000022021 its reverse (120220000001), we get a palindrome (220220022022).

The spelling of 100000022021 in words is "one hundred billion, twenty-two thousand, twenty-one".