100021111100201 has 8 divisors (see below), whose sum is σ = 100100839716864. Its totient is φ = 99941392500880.

The previous prime is 100021111100173. The next prime is 100021111100203. The reversal of 100021111100201 is 102001111120001.

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-100021111100201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100021111100203) 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, 17537090 + ... + 22529796.

It is an arithmetic number, because the mean of its divisors is an integer number (12512604964608).

Almost surely, 2^{100021111100201} is an apocalyptic number.

It is an amenable number.

100021111100201 is a deficient number, since it is larger than the sum of its proper divisors (79728616663).

100021111100201 is a wasteful number, since it uses less digits than its factorization.

100021111100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008671.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100021111100201 its reverse (102001111120001), we get a palindrome (202022222220202).

The spelling of 100021111100201 in words is "one hundred trillion, twenty-one billion, one hundred eleven million, one hundred thousand, two hundred one".