100001000211001 has 4 divisors (see below), whose sum is σ = 100059039098512. Its totient is φ = 99942961323492.

The previous prime is 100001000210983. The next prime is 100001000211029. The reversal of 100001000211001 is 100112000100001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100001000211001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100001000211401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29019441171 + ... + 29019444616.

It is an arithmetic number, because the mean of its divisors is an integer number (25014759774628).

Almost surely, 2^{100001000211001} is an apocalyptic number.

It is an amenable number.

100001000211001 is a deficient number, since it is larger than the sum of its proper divisors (58038887511).

100001000211001 is an equidigital number, since it uses as much as digits as its factorization.

100001000211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58038887510.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 100001000211001 its reverse (100112000100001), we get a palindrome (200113000311002).

It can be divided in two parts, 100001000 and 211001, that added together give a palindrome (100212001).

The spelling of 100001000211001 in words is "one hundred trillion, one billion, two hundred eleven thousand, one".