100011221211001 has 8 divisors (see below), whose sum is σ = 100103759548704. Its totient is φ = 99918689069760.

The previous prime is 100011221210977. The next prime is 100011221211023. The reversal of 100011221211001 is 100112122110001.

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 100011221211001 - 2⁹ = 100011221210489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100011221211901) 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, 31063281 + ... + 34131361.

It is an arithmetic number, because the mean of its divisors is an integer number (12512969943588).

Almost surely, 2^{100011221211001} is an apocalyptic number.

It is an amenable number.

100011221211001 is a deficient number, since it is larger than the sum of its proper divisors (92538337703).

100011221211001 is a wasteful number, since it uses less digits than its factorization.

100011221211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098231.

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

Adding to 100011221211001 its reverse (100112122110001), we get a palindrome (200123343321002).

The spelling of 100011221211001 in words is "one hundred trillion, eleven billion, two hundred twenty-one million, two hundred eleven thousand, one".