100001222222001 has 8 divisors (see below), whose sum is σ = 133335015394464. Its totient is φ = 66667455265440.

The previous prime is 100001222221991. The next prime is 100001222222029. The reversal of 100001222222001 is 100222222100001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100001222222001 - 2⁵ = 100001222221969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100001222222201) 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, 5528821 + ... + 15184541.

It is an arithmetic number, because the mean of its divisors is an integer number (16666876924308).

Almost surely, 2^{100001222222001} is an apocalyptic number.

It is an amenable number.

100001222222001 is a deficient number, since it is larger than the sum of its proper divisors (33333793172463).

100001222222001 is an equidigital number, since it uses as much as digits as its factorization.

100001222222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13107951.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100001222222001 its reverse (100222222100001), we get a palindrome (200223444322002).

The spelling of 100001222222001 in words is "one hundred trillion, one billion, two hundred twenty-two million, two hundred twenty-two thousand, one".