200421023043011 has 2 divisors, whose sum is σ = 200421023043012. Its totient is φ = 200421023043010.

The previous prime is 200421023042957. The next prime is 200421023043037. The reversal of 200421023043011 is 110340320124002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200421023043011 is a prime.

It is a super-2 number, since 2×200421023043011² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200421023043061) 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, 100210511521505 + 100210511521506.

It is an arithmetic number, because the mean of its divisors is an integer number (100210511521506).

Almost surely, 2^{200421023043011} is an apocalyptic number.

200421023043011 is a deficient number, since it is larger than the sum of its proper divisors (1).

200421023043011 is an equidigital number, since it uses as much as digits as its factorization.

200421023043011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 200421023043011 its reverse (110340320124002), we get a palindrome (310761343167013).

The spelling of 200421023043011 in words is "two hundred trillion, four hundred twenty-one billion, twenty-three million, forty-three thousand, eleven".