100021201112001 has 16 divisors (see below), whose sum is σ = 145042168259520. Its totient is φ = 60942087499200.

The previous prime is 100021201111999. The next prime is 100021201112029. The reversal of 100021201112001 is 100211102120001.

It is not a de Polignac number, because 100021201112001 - 2¹ = 100021201111999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100021201112401) 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 15 ways as a sum of consecutive naturals, for example, 12696264291 + ... + 12696272168.

It is an arithmetic number, because the mean of its divisors is an integer number (9065135516220).

Almost surely, 2^{100021201112001} is an apocalyptic number.

It is an amenable number.

100021201112001 is a deficient number, since it is larger than the sum of its proper divisors (45020967147519).

100021201112001 is a wasteful number, since it uses less digits than its factorization.

100021201112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25392536576.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100021201112001 its reverse (100211102120001), we get a palindrome (200232303232002).

The spelling of 100021201112001 in words is "one hundred trillion, twenty-one billion, two hundred one million, one hundred twelve thousand, one".