100002220200021 has 8 divisors (see below), whose sum is σ = 133336351453984. Its totient is φ = 66668117873040.

The previous prime is 100002220200017. The next prime is 100002220200031. The reversal of 100002220200021 is 120002022200001.

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

It is not a de Polignac number, because 100002220200021 - 2² = 100002220200017 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 (100002220200031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2837655 + ... + 14424171.

It is an arithmetic number, because the mean of its divisors is an integer number (16667043931748).

Almost surely, 2^{100002220200021} is an apocalyptic number.

It is an amenable number.

100002220200021 is a deficient number, since it is larger than the sum of its proper divisors (33334131253963).

100002220200021 is a wasteful number, since it uses less digits than its factorization.

100002220200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14463491.

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

Adding to 100002220200021 its reverse (120002022200001), we get a palindrome (220004242400022).

The spelling of 100002220200021 in words is "one hundred trillion, two billion, two hundred twenty million, two hundred thousand, twenty-one".