100221210010001 has 8 divisors (see below), whose sum is σ = 101569183948800. Its totient is φ = 98875219847040.

The previous prime is 100221210009913. The next prime is 100221210010003. The reversal of 100221210010001 is 100010012122001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100221210010001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100221210010003) 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, 495842240 + ... + 496044321.

It is an arithmetic number, because the mean of its divisors is an integer number (12696147993600).

Almost surely, 2^{100221210010001} is an apocalyptic number.

It is an amenable number.

100221210010001 is a deficient number, since it is larger than the sum of its proper divisors (1347973938799).

100221210010001 is an equidigital number, since it uses as much as digits as its factorization.

100221210010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991887919.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100221210010001 its reverse (100010012122001), we get a palindrome (200231222132002).

The spelling of 100221210010001 in words is "one hundred trillion, two hundred twenty-one billion, two hundred ten million, ten thousand, one".