3221144123111 has 4 divisors (see below), whose sum is σ = 3222176213424. Its totient is φ = 3220112032800.

The previous prime is 3221144123107. The next prime is 3221144123159. The reversal of 3221144123111 is 1113214411223.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3221144123111 - 2² = 3221144123107 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 (3221144123011) 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, 516040475 + ... + 516046716.

It is an arithmetic number, because the mean of its divisors is an integer number (805544053356).

Almost surely, 2^{3221144123111} is an apocalyptic number.

3221144123111 is a deficient number, since it is larger than the sum of its proper divisors (1032090313).

3221144123111 is a wasteful number, since it uses less digits than its factorization.

3221144123111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032090312.

The product of its digits is 1152, while the sum is 26.

Adding to 3221144123111 its reverse (1113214411223), we get a palindrome (4334358534334).

The spelling of 3221144123111 in words is "three trillion, two hundred twenty-one billion, one hundred forty-four million, one hundred twenty-three thousand, one hundred eleven".