200210012111121 has 4 divisors (see below), whose sum is σ = 266946682814832. Its totient is φ = 133473341407412.

The previous prime is 200210012111107. The next prime is 200210012111149. The reversal of 200210012111121 is 121111210012002.

It is a happy number.

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 200210012111121 - 2⁷ = 200210012110993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200210012111121.

It is not an unprimeable number, because it can be changed into a prime (200210012111821) 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 3 ways as a sum of consecutive naturals, for example, 33368335351851 + ... + 33368335351856.

It is an arithmetic number, because the mean of its divisors is an integer number (66736670703708).

Almost surely, 2^{200210012111121} is an apocalyptic number.

It is an amenable number.

200210012111121 is a deficient number, since it is larger than the sum of its proper divisors (66736670703711).

200210012111121 is an equidigital number, since it uses as much as digits as its factorization.

200210012111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66736670703710.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 200210012111121 its reverse (121111210012002), we get a palindrome (321321222123123).

The spelling of 200210012111121 in words is "two hundred trillion, two hundred ten billion, twelve million, one hundred eleven thousand, one hundred twenty-one".