3123031121101 has 4 divisors (see below), whose sum is σ = 3258815082912. Its totient is φ = 2987247159292.

The previous prime is 3123031121081. The next prime is 3123031121113. The reversal of 3123031121101 is 1011211303213.

3123031121101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3123031121101 - 2⁹ = 3123031120589 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 (3123031121401) 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, 67891980871 + ... + 67891980916.

It is an arithmetic number, because the mean of its divisors is an integer number (814703770728).

Almost surely, 2^{3123031121101} is an apocalyptic number.

It is an amenable number.

3123031121101 is a deficient number, since it is larger than the sum of its proper divisors (135783961811).

3123031121101 is a wasteful number, since it uses less digits than its factorization.

3123031121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135783961810.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 3123031121101 its reverse (1011211303213), we get a palindrome (4134242424314).

The spelling of 3123031121101 in words is "three trillion, one hundred twenty-three billion, thirty-one million, one hundred twenty-one thousand, one hundred one".