200202211010121 has 4 divisors (see below), whose sum is σ = 266936281346832. Its totient is φ = 133468140673412.

The previous prime is 200202211010107. The next prime is 200202211010141. The reversal of 200202211010121 is 121010112202002.

200202211010121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 200202211010121 - 2⁵ = 200202211010089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200202211010121.

It is not an unprimeable number, because it can be changed into a prime (200202211010141) 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, 33367035168351 + ... + 33367035168356.

It is an arithmetic number, because the mean of its divisors is an integer number (66734070336708).

Almost surely, 2^{200202211010121} is an apocalyptic number.

It is an amenable number.

200202211010121 is a deficient number, since it is larger than the sum of its proper divisors (66734070336711).

200202211010121 is an equidigital number, since it uses as much as digits as its factorization.

200202211010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66734070336710.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200202211010121 its reverse (121010112202002), we get a palindrome (321212323212123).

The spelling of 200202211010121 in words is "two hundred trillion, two hundred two billion, two hundred eleven million, ten thousand, one hundred twenty-one".