312223010111 has 4 divisors (see below), whose sum is σ = 312235156800. Its totient is φ = 312210863424.

The previous prime is 312223010107. The next prime is 312223010117. The reversal of 312223010111 is 111010322213.

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 312223010111 - 2² = 312223010107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312223010111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312223010117) 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, 6034706 + ... + 6086223.

It is an arithmetic number, because the mean of its divisors is an integer number (78058789200).

Almost surely, 2^312223010111 is an apocalyptic number.

312223010111 is a deficient number, since it is larger than the sum of its proper divisors (12146689).

312223010111 is a wasteful number, since it uses less digits than its factorization.

312223010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12146688.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 312223010111 its reverse (111010322213), we get a palindrome (423233332324).

The spelling of 312223010111 in words is "three hundred twelve billion, two hundred twenty-three million, ten thousand, one hundred eleven".