3112211105 has 8 divisors (see below), whose sum is σ = 3740206632. Its totient is φ = 2486066688.

The previous prime is 3112211101. The next prime is 3112211143. The reversal of 3112211105 is 5011122113.

It can be written as a sum of positive squares in 4 ways, for example, as 260757904 + 2851453201 = 16148^2 + 53399^2 .

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 3112211105 - 2² = 3112211101 is a prime.

It is a super-3 number, since 3×3112211105³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3112211101) 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, 459074 + ... + 465803.

It is an arithmetic number, because the mean of its divisors is an integer number (467525829).

Almost surely, 2^3112211105 is an apocalyptic number.

It is an amenable number.

3112211105 is a deficient number, since it is larger than the sum of its proper divisors (627995527).

3112211105 is an equidigital number, since it uses as much as digits as its factorization.

3112211105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925555.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 3112211105 is about 55787.1948120713. The cubic root of 3112211105 is about 1460.0117446043.

Adding to 3112211105 its reverse (5011122113), we get a palindrome (8123333218).

The spelling of 3112211105 in words is "three billion, one hundred twelve million, two hundred eleven thousand, one hundred five".