100010121221211 has 8 divisors (see below), whose sum is σ = 134164906996800. Its totient is φ = 66264374796552.

The previous prime is 100010121221207. The next prime is 100010121221243. The reversal of 100010121221211 is 112122121010001.

It is a happy number.

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

It is not a de Polignac number, because 100010121221211 - 2² = 100010121221207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100010121221281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102259837161 + ... + 102259838138.

It is an arithmetic number, because the mean of its divisors is an integer number (16770613374600).

Almost surely, 2^{100010121221211} is an apocalyptic number.

100010121221211 is a deficient number, since it is larger than the sum of its proper divisors (34154785775589).

100010121221211 is a wasteful number, since it uses less digits than its factorization.

100010121221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204519675465.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100010121221211 its reverse (112122121010001), we get a palindrome (212132242231212).

The spelling of 100010121221211 in words is "one hundred trillion, ten billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred eleven".