100021112211001 has 8 divisors (see below), whose sum is σ = 100259108686784. Its totient is φ = 99783117710640.

The previous prime is 100021112210977. The next prime is 100021112211017. The reversal of 100021112211001 is 100112211120001.

It is a happy number.

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 100021112211001 - 2⁵ = 100021112210969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100021112211091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174642556 + ... + 175214338.

It is an arithmetic number, because the mean of its divisors is an integer number (12532388585848).

Almost surely, 2^{100021112211001} is an apocalyptic number.

It is an amenable number.

100021112211001 is a deficient number, since it is larger than the sum of its proper divisors (237996475783).

100021112211001 is an equidigital number, since it uses as much as digits as its factorization.

100021112211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987711.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100021112211001 its reverse (100112211120001), we get a palindrome (200133323331002).

The spelling of 100021112211001 in words is "one hundred trillion, twenty-one billion, one hundred twelve million, two hundred eleven thousand, one".