3112212111 has 8 divisors (see below), whose sum is σ = 4292706480. Its totient is φ = 2003262912.

The previous prime is 3112212071. The next prime is 3112212121. The reversal of 3112212111 is 1112122113.

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

It is not a de Polignac number, because 3112212111 - 2¹⁷ = 3112081039 is a prime.

It is a super-3 number, since 3×3112212111³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112212121) 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, 17886190 + ... + 17886363.

It is an arithmetic number, because the mean of its divisors is an integer number (536588310).

Almost surely, 2^3112212111 is an apocalyptic number.

3112212111 is a deficient number, since it is larger than the sum of its proper divisors (1180494369).

3112212111 is a wasteful number, since it uses less digits than its factorization.

3112212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35772585.

The product of its digits is 24, while the sum is 15.

The square root of 3112212111 is about 55787.2038284767. The cubic root of 3112212111 is about 1460.0119019171.

Adding to 3112212111 its reverse (1112122113), we get a palindrome (4224334224).

The spelling of 3112212111 in words is "three billion, one hundred twelve million, two hundred twelve thousand, one hundred eleven".