3321112143 has 4 divisors (see below), whose sum is σ = 4428149528. Its totient is φ = 2214074760.

The previous prime is 3321112139. The next prime is 3321112159. The reversal of 3321112143 is 3412111233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412111233 = 3 ⋅1137370411.

It is not a de Polignac number, because 3321112143 - 2² = 3321112139 is a prime.

It is a super-2 number, since 2×3321112143² = 22059571732764104898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321112343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553518688 + ... + 553518693.

It is an arithmetic number, because the mean of its divisors is an integer number (1107037382).

Almost surely, 2^3321112143 is an apocalyptic number.

3321112143 is a deficient number, since it is larger than the sum of its proper divisors (1107037385).

3321112143 is a wasteful number, since it uses less digits than its factorization.

3321112143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107037384.

The product of its digits is 432, while the sum is 21.

The square root of 3321112143 is about 57629.0911172474. The cubic root of 3321112143 is about 1491.9737431799.

Adding to 3321112143 its reverse (3412111233), we get a palindrome (6733223376).

It can be divided in two parts, 33211 and 12143, that added together give a palindrome (45354).

The spelling of 3321112143 in words is "three billion, three hundred twenty-one million, one hundred twelve thousand, one hundred forty-three".