3440121442111 has 4 divisors (see below), whose sum is σ = 3621180465400. Its totient is φ = 3259062418824.

The previous prime is 3440121442099. The next prime is 3440121442151. The reversal of 3440121442111 is 1112441210443.

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 3440121442111 - 2⁹ = 3440121441599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3440121442111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440121442151) 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, 90529511616 + ... + 90529511653.

It is an arithmetic number, because the mean of its divisors is an integer number (905295116350).

Almost surely, 2^{3440121442111} is an apocalyptic number.

3440121442111 is a deficient number, since it is larger than the sum of its proper divisors (181059023289).

3440121442111 is a wasteful number, since it uses less digits than its factorization.

3440121442111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181059023288.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 3440121442111 its reverse (1112441210443), we get a palindrome (4552562652554).

The spelling of 3440121442111 in words is "three trillion, four hundred forty billion, one hundred twenty-one million, four hundred forty-two thousand, one hundred eleven".