200121110201011 has 2 divisors, whose sum is σ = 200121110201012. Its totient is φ = 200121110201010.

The previous prime is 200121110200967. The next prime is 200121110201027. The reversal of 200121110201011 is 110102011121002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200121110201011 - 2¹¹ = 200121110198963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200121110200982 and 200121110201000.

It is not a weakly prime, because it can be changed into another prime (200121110231011) 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, 100060555100505 + 100060555100506.

It is an arithmetic number, because the mean of its divisors is an integer number (100060555100506).

Almost surely, 2^{200121110201011} is an apocalyptic number.

200121110201011 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121110201011 is an equidigital number, since it uses as much as digits as its factorization.

200121110201011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 200121110201011 its reverse (110102011121002), we get a palindrome (310223121322013).

The spelling of 200121110201011 in words is "two hundred trillion, one hundred twenty-one billion, one hundred ten million, two hundred one thousand, eleven".