3912212111111 has 8 divisors (see below), whose sum is σ = 4275966178944. Its totient is φ = 3563305148160.

The previous prime is 3912212111107. The next prime is 3912212111161. The reversal of 3912212111111 is 1111112122193.

3912212111111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3912212111111 - 2² = 3912212111107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3912212111161) 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, 3711775670 + ... + 3711776723.

It is an arithmetic number, because the mean of its divisors is an integer number (534495772368).

Almost surely, 2^{3912212111111} is an apocalyptic number.

3912212111111 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3912212111111 is a deficient number, since it is larger than the sum of its proper divisors (363754067833).

3912212111111 is a wasteful number, since it uses less digits than its factorization.

3912212111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7423552441.

The product of its digits is 216, while the sum is 26.

The spelling of 3912212111111 in words is "three trillion, nine hundred twelve billion, two hundred twelve million, one hundred eleven thousand, one hundred eleven".