200002110121 has 6 divisors (see below), whose sum is σ = 219837030266. Its totient is φ = 181820100000.

The previous prime is 200002110103. The next prime is 200002110167. The reversal of 200002110121 is 121011200002.

It can be written as a sum of positive squares in only one way, i.e., 198970415721 + 1031694400 = 446061^2 + 32120^2 .

It is not a de Polignac number, because 200002110121 - 2²¹ = 200000012969 is a prime.

It is a super-2 number, since 2×200002110121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200002110098 and 200002110107.

It is not an unprimeable number, because it can be changed into a prime (200002110421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 826454880 + ... + 826455121.

Almost surely, 2^200002110121 is an apocalyptic number.

It is an amenable number.

200002110121 is a deficient number, since it is larger than the sum of its proper divisors (19834920145).

200002110121 is a wasteful number, since it uses less digits than its factorization.

200002110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652910023 (or 1652910012 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200002110121 its reverse (121011200002), we get a palindrome (321013310123).

The spelling of 200002110121 in words is "two hundred billion, two million, one hundred ten thousand, one hundred twenty-one".