100002011020021 has 8 divisors (see below), whose sum is σ = 110629625508288. Its totient is φ = 89630483628000.

The previous prime is 100002011019997. The next prime is 100002011020027. The reversal of 100002011020021 is 120020110200001.

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 100002011020021 - 2⁷ = 100002011019893 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 (100002011020027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64021773240 + ... + 64021774801.

It is an arithmetic number, because the mean of its divisors is an integer number (13828703188536).

Almost surely, 2^{100002011020021} is an apocalyptic number.

100002011020021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100002011020021 is a deficient number, since it is larger than the sum of its proper divisors (10627614488267).

100002011020021 is a wasteful number, since it uses less digits than its factorization.

100002011020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128043548123.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100002011020021 its reverse (120020110200001), we get a palindrome (220022121220022).

The spelling of 100002011020021 in words is "one hundred trillion, two billion, eleven million, twenty thousand, twenty-one".