101212311122311 has 4 divisors (see below), whose sum is σ = 101726079199272. Its totient is φ = 100698543045352.

The previous prime is 101212311122297. The next prime is 101212311122369. The reversal of 101212311122311 is 113221113212101.

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 101212311122311 - 2⁷ = 101212311122183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212311129311) 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, 256884038185 + ... + 256884038578.

It is an arithmetic number, because the mean of its divisors is an integer number (25431519799818).

Almost surely, 2^{101212311122311} is an apocalyptic number.

101212311122311 is a deficient number, since it is larger than the sum of its proper divisors (513768076961).

101212311122311 is an equidigital number, since it uses as much as digits as its factorization.

101212311122311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513768076960.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 101212311122311 its reverse (113221113212101), we get a palindrome (214433424334412).

The spelling of 101212311122311 in words is "one hundred one trillion, two hundred twelve billion, three hundred eleven million, one hundred twenty-two thousand, three hundred eleven".