312220100211 has 16 divisors (see below), whose sum is σ = 425285267616. Its totient is φ = 203671892736.

The previous prime is 312220100197. The next prime is 312220100243. The reversal of 312220100211 is 112001022213.

It is not a de Polignac number, because 312220100211 - 2¹⁰ = 312220099187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312220100111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2572930 + ... + 2691543.

It is an arithmetic number, because the mean of its divisors is an integer number (26580329226).

Almost surely, 2^312220100211 is an apocalyptic number.

312220100211 is a deficient number, since it is larger than the sum of its proper divisors (113065167405).

312220100211 is a wasteful number, since it uses less digits than its factorization.

312220100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5264902.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 312220100211 its reverse (112001022213), we get a palindrome (424221122424).

The spelling of 312220100211 in words is "three hundred twelve billion, two hundred twenty million, one hundred thousand, two hundred eleven".