10011212311 has 4 divisors (see below), whose sum is σ = 10014531400. Its totient is φ = 10007893224.

The previous prime is 10011212303. The next prime is 10011212333. The reversal of 10011212311 is 11321211001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11321211001 = 94693 ⋅119557.

It is a cyclic number.

It is not a de Polignac number, because 10011212311 - 2³ = 10011212303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011212291 and 10011212300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011212381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1655016 + ... + 1661053.

It is an arithmetic number, because the mean of its divisors is an integer number (2503632850).

Almost surely, 2^10011212311 is an apocalyptic number.

10011212311 is a deficient number, since it is larger than the sum of its proper divisors (3319089).

10011212311 is an equidigital number, since it uses as much as digits as its factorization.

10011212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319088.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10011212311 its reverse (11321211001), we get a palindrome (21332423312).

The spelling of 10011212311 in words is "ten billion, eleven million, two hundred twelve thousand, three hundred eleven".