2100200332123 has 16 divisors (see below), whose sum is σ = 2120083670016. Its totient is φ = 2080437765120.

The previous prime is 2100200332081. The next prime is 2100200332157. The reversal of 2100200332123 is 3212330020012.

It is a cyclic number.

It is not a de Polignac number, because 2100200332123 - 2¹⁷ = 2100200201051 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 2100200332123.

It is not an unprimeable number, because it can be changed into a prime (2100200332523) 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, 35398243 + ... + 35457523.

It is an arithmetic number, because the mean of its divisors is an integer number (132505229376).

Almost surely, 2^{2100200332123} is an apocalyptic number.

2100200332123 is a deficient number, since it is larger than the sum of its proper divisors (19883337893).

2100200332123 is a wasteful number, since it uses less digits than its factorization.

2100200332123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60294.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2100200332123 its reverse (3212330020012), we get a palindrome (5312530352135).

The spelling of 2100200332123 in words is "two trillion, one hundred billion, two hundred million, three hundred thirty-two thousand, one hundred twenty-three".