200202000121121 has 4 divisors (see below), whose sum is σ = 200204497513152. Its totient is φ = 200199502729092.

The previous prime is 200202000121117. The next prime is 200202000121127. The reversal of 200202000121121 is 121121000202002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200202000121121 - 2² = 200202000121117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200202000121096 and 200202000121105.

It is not an unprimeable number, because it can be changed into a prime (200202000121127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1248575765 + ... + 1248736098.

It is an arithmetic number, because the mean of its divisors is an integer number (50051124378288).

Almost surely, 2^{200202000121121} is an apocalyptic number.

It is an amenable number.

200202000121121 is a deficient number, since it is larger than the sum of its proper divisors (2497392031).

200202000121121 is an equidigital number, since it uses as much as digits as its factorization.

200202000121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497392030.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200202000121121 its reverse (121121000202002), we get a palindrome (321323000323123).

The spelling of 200202000121121 in words is "two hundred trillion, two hundred two billion, one hundred twenty-one thousand, one hundred twenty-one".