100101221001211 has 4 divisors (see below), whose sum is σ = 100101282525000. Its totient is φ = 100101159477424.

The previous prime is 100101221001181. The next prime is 100101221001227. The reversal of 100101221001211 is 112100122101001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100101221001211 - 2¹⁵ = 100101220968443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100101221001191 and 100101221001200.

It is not an unprimeable number, because it can be changed into a prime (100101221001241) 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, 28253146 + ... + 31598143.

It is an arithmetic number, because the mean of its divisors is an integer number (25025320631250).

Almost surely, 2^{100101221001211} is an apocalyptic number.

100101221001211 is a deficient number, since it is larger than the sum of its proper divisors (61523789).

100101221001211 is an equidigital number, since it uses as much as digits as its factorization.

100101221001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61523788.

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

Adding to 100101221001211 its reverse (112100122101001), we get a palindrome (212201343102212).

The spelling of 100101221001211 in words is "one hundred trillion, one hundred one billion, two hundred twenty-one million, one thousand, two hundred eleven".