2103123120001 has 4 divisors (see below), whose sum is σ = 2103126547392. Its totient is φ = 2103119692612.

The previous prime is 2103123119987. The next prime is 2103123120029. The reversal of 2103123120001 is 1000213213012.

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 a de Polignac number, because none of the positive numbers 2^k-2103123120001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103123120031) 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, 512701 + ... + 2114026.

It is an arithmetic number, because the mean of its divisors is an integer number (525781636848).

Almost surely, 2^{2103123120001} is an apocalyptic number.

It is an amenable number.

2103123120001 is a deficient number, since it is larger than the sum of its proper divisors (3427391).

2103123120001 is an equidigital number, since it uses as much as digits as its factorization.

2103123120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427390.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2103123120001 its reverse (1000213213012), we get a palindrome (3103336333013).

The spelling of 2103123120001 in words is "two trillion, one hundred three billion, one hundred twenty-three million, one hundred twenty thousand, one".