100001102111021 has 8 divisors (see below), whose sum is σ = 104375056935744. Its totient is φ = 95629320688000.

The previous prime is 100001102111003. The next prime is 100001102111081. The reversal of 100001102111021 is 120111201100001.

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 100001102111021 - 2¹⁴ = 100001102094637 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100001102110993 and 100001102111011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001102111081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543256391 + ... + 543440436.

It is an arithmetic number, because the mean of its divisors is an integer number (13046882116968).

Almost surely, 2^{100001102111021} is an apocalyptic number.

It is an amenable number.

100001102111021 is a deficient number, since it is larger than the sum of its proper divisors (4373954824723).

100001102111021 is a wasteful number, since it uses less digits than its factorization.

100001102111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086700851.

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

Adding to 100001102111021 its reverse (120111201100001), we get a palindrome (220112303211022).

The spelling of 100001102111021 in words is "one hundred trillion, one billion, one hundred two million, one hundred eleven thousand, twenty-one".