3112212211 has 4 divisors (see below), whose sum is σ = 3112326952. Its totient is φ = 3112097472.

The previous prime is 3112212209. The next prime is 3112212223. The reversal of 3112212211 is 1122122113.

3112212211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1122122113 = 7 ⋅160303159.

It is a cyclic number.

It is not a de Polignac number, because 3112212211 - 2¹ = 3112212209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3112212241) 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, 8611 + ... + 79363.

It is an arithmetic number, because the mean of its divisors is an integer number (778081738).

Almost surely, 2^3112212211 is an apocalyptic number.

3112212211 is a deficient number, since it is larger than the sum of its proper divisors (114741).

3112212211 is an equidigital number, since it uses as much as digits as its factorization.

3112212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114740.

The product of its digits is 48, while the sum is 16.

The square root of 3112212211 is about 55787.2047247395. The cubic root of 3112212211 is about 1460.0119175546.

Adding to 3112212211 its reverse (1122122113), we get a palindrome (4234334324).

It can be divided in two parts, 3 and 112212211, that multiplied together give a palindrome (336636633).

The spelling of 3112212211 in words is "three billion, one hundred twelve million, two hundred twelve thousand, two hundred eleven".