312211300111 has 8 divisors (see below), whose sum is σ = 312722854304. Its totient is φ = 311699888640.

The previous prime is 312211300103. The next prime is 312211300123. The reversal of 312211300111 is 111003112213.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 312211300111 - 2³ = 312211300103 is a prime.

It is a super-2 number, since 2×312211300111² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312211300811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4895350 + ... + 4958716.

It is an arithmetic number, because the mean of its divisors is an integer number (39090356788).

Almost surely, 2^312211300111 is an apocalyptic number.

312211300111 is a deficient number, since it is larger than the sum of its proper divisors (511554193).

312211300111 is an equidigital number, since it uses as much as digits as its factorization.

312211300111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71361.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 312211300111 its reverse (111003112213), we get a palindrome (423214412324).

The spelling of 312211300111 in words is "three hundred twelve billion, two hundred eleven million, three hundred thousand, one hundred eleven".