200013103121 has 8 divisors (see below), whose sum is σ = 215405975400. Its totient is φ = 184621266432.

The previous prime is 200013103099. The next prime is 200013103159. The reversal of 200013103121 is 121301310002.

It can be written as a sum of positive squares in 4 ways, for example, as 98149997521 + 101863105600 = 313289^2 + 319160^2 .

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 200013103121 - 2⁶ = 200013103057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200013103096 and 200013103105.

It is not an unprimeable number, because it can be changed into a prime (200013103181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168371 + ... + 654503.

It is an arithmetic number, because the mean of its divisors is an integer number (26925746925).

Almost surely, 2^200013103121 is an apocalyptic number.

It is an amenable number.

200013103121 is a deficient number, since it is larger than the sum of its proper divisors (15392872279).

200013103121 is a wasteful number, since it uses less digits than its factorization.

200013103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517795.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 200013103121 its reverse (121301310002), we get a palindrome (321314413123).

The spelling of 200013103121 in words is "two hundred billion, thirteen million, one hundred three thousand, one hundred twenty-one".