3123121110011 has 8 divisors (see below), whose sum is σ = 3569295228384. Its totient is φ = 2676950481600.

The previous prime is 3123121110001. The next prime is 3123121110059. The reversal of 3123121110011 is 1100111213213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3123121110011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3123121110001) 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, 1461311 + ... + 2895111.

It is an arithmetic number, because the mean of its divisors is an integer number (446161903548).

Almost surely, 2^{3123121110011} is an apocalyptic number.

3123121110011 is a deficient number, since it is larger than the sum of its proper divisors (446174118373).

3123121110011 is a wasteful number, since it uses less digits than its factorization.

3123121110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744981.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 3123121110011 its reverse (1100111213213), we get a palindrome (4223232323224).

The spelling of 3123121110011 in words is "three trillion, one hundred twenty-three billion, one hundred twenty-one million, one hundred ten thousand, eleven".