101101211211211 has 4 divisors (see below), whose sum is σ = 101101384426752. Its totient is φ = 101101037995672.

The previous prime is 101101211211173. The next prime is 101101211211223. The reversal of 101101211211211 is 112112112101101.

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 101101211211211 - 2⁷ = 101101211211083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101101211211281) 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 3 ways as a sum of consecutive naturals, for example, 85729291 + ... + 86900596.

It is an arithmetic number, because the mean of its divisors is an integer number (25275346106688).

Almost surely, 2^{101101211211211} is an apocalyptic number.

101101211211211 is a deficient number, since it is larger than the sum of its proper divisors (173215541).

101101211211211 is an equidigital number, since it uses as much as digits as its factorization.

101101211211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173215540.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 101101211211211 its reverse (112112112101101), we get a palindrome (213213323312312).

The spelling of 101101211211211 in words is "one hundred one trillion, one hundred one billion, two hundred eleven million, two hundred eleven thousand, two hundred eleven".