200153422421 has 2 divisors, whose sum is σ = 200153422422. Its totient is φ = 200153422420.

The previous prime is 200153422397. The next prime is 200153422423. The reversal of 200153422421 is 124224351002.

200153422421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179364108196 + 20789314225 = 423514^2 + 144185^2 .

It is a cyclic number.

It is not a de Polignac number, because 200153422421 - 2³⁴ = 182973553237 is a prime.

It is a super-2 number, since 2×200153422421² (a number of 23 digits) contains 22 as substring.

Together with 200153422423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200153422423) 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 as a sum of consecutive naturals, namely, 100076711210 + 100076711211.

It is an arithmetic number, because the mean of its divisors is an integer number (100076711211).

Almost surely, 2^200153422421 is an apocalyptic number.

It is an amenable number.

200153422421 is a deficient number, since it is larger than the sum of its proper divisors (1).

200153422421 is an equidigital number, since it uses as much as digits as its factorization.

200153422421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 200153422421 its reverse (124224351002), we get a palindrome (324377773423).

The spelling of 200153422421 in words is "two hundred billion, one hundred fifty-three million, four hundred twenty-two thousand, four hundred twenty-one".