200021301123 has 8 divisors (see below), whose sum is σ = 304794363648. Its totient is φ = 114297886344.

The previous prime is 200021301097. The next prime is 200021301127. The reversal of 200021301123 is 321103120002.

200021301123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 200021301123 - 2⁶ = 200021301059 is a prime.

It is a super-2 number, since 2×200021301123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200021301127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4762411911 + ... + 4762411952.

It is an arithmetic number, because the mean of its divisors is an integer number (38099295456).

Almost surely, 2^200021301123 is an apocalyptic number.

200021301123 is a deficient number, since it is larger than the sum of its proper divisors (104773062525).

200021301123 is an equidigital number, since it uses as much as digits as its factorization.

200021301123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9524823873.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 200021301123 its reverse (321103120002), we get a palindrome (521124421125).

It can be divided in two parts, 20002 and 1301123, that added together give a triangular number (1321125 = T₁₆₂₅).

The spelling of 200021301123 in words is "two hundred billion, twenty-one million, three hundred one thousand, one hundred twenty-three".