121103123311001 has 16 divisors (see below), whose sum is σ = 137756637258240. Its totient is φ = 105665602412160.

The previous prime is 121103123310989. The next prime is 121103123311081. The reversal of 121103123311001 is 100113321301121.

It is a cyclic number.

It is not a de Polignac number, because 121103123311001 - 2³⁰ = 121102049569177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121103123311081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3494215556 + ... + 3494250213.

It is an arithmetic number, because the mean of its divisors is an integer number (8609789828640).

Almost surely, 2^{121103123311001} is an apocalyptic number.

It is an amenable number.

121103123311001 is a deficient number, since it is larger than the sum of its proper divisors (16653513947239).

121103123311001 is a wasteful number, since it uses less digits than its factorization.

121103123311001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6988465856.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 121103123311001 its reverse (100113321301121), we get a palindrome (221216444612122).

The spelling of 121103123311001 in words is "one hundred twenty-one trillion, one hundred three billion, one hundred twenty-three million, three hundred eleven thousand, one".