2100122023123 has 8 divisors (see below), whose sum is σ = 2157463745360. Its totient is φ = 2042810915040.

The previous prime is 2100122023099. The next prime is 2100122023157. The reversal of 2100122023123 is 3213202210012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100122023123 - 2³³ = 2091532088531 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 2100122023123.

It is not an unprimeable number, because it can be changed into a prime (2100122093123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7514433 + ... + 7788898.

It is an arithmetic number, because the mean of its divisors is an integer number (269682968170).

Almost surely, 2^{2100122023123} is an apocalyptic number.

2100122023123 is a deficient number, since it is larger than the sum of its proper divisors (57341722237).

2100122023123 is a wasteful number, since it uses less digits than its factorization.

2100122023123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15307077.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2100122023123 its reverse (3213202210012), we get a palindrome (5313324233135).

The spelling of 2100122023123 in words is "two trillion, one hundred billion, one hundred twenty-two million, twenty-three thousand, one hundred twenty-three".