200211121102123 has 2 divisors, whose sum is σ = 200211121102124. Its totient is φ = 200211121102122.

The previous prime is 200211121102063. The next prime is 200211121102127. The reversal of 200211121102123 is 321201121112002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200211121102123 - 2²⁹ = 200210584231211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200211121102123.

It is not a weakly prime, because it can be changed into another prime (200211121102127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100105560551061 + 100105560551062.

It is an arithmetic number, because the mean of its divisors is an integer number (100105560551062).

Almost surely, 2^{200211121102123} is an apocalyptic number.

200211121102123 is a deficient number, since it is larger than the sum of its proper divisors (1).

200211121102123 is an equidigital number, since it uses as much as digits as its factorization.

200211121102123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 200211121102123 its reverse (321201121112002), we get a palindrome (521412242214125).

The spelling of 200211121102123 in words is "two hundred trillion, two hundred eleven billion, one hundred twenty-one million, one hundred two thousand, one hundred twenty-three".