421003133051 has 2 divisors, whose sum is σ = 421003133052. Its totient is φ = 421003133050.

The previous prime is 421003133039. The next prime is 421003133053. The reversal of 421003133051 is 150331300124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421003133051 - 2⁶ = 421003132987 is a prime.

Together with 421003133053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (421003133053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210501566525 + 210501566526.

It is an arithmetic number, because the mean of its divisors is an integer number (210501566526).

Almost surely, 2^421003133051 is an apocalyptic number.

421003133051 is a deficient number, since it is larger than the sum of its proper divisors (1).

421003133051 is an equidigital number, since it uses as much as digits as its factorization.

421003133051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 421003133051 its reverse (150331300124), we get a palindrome (571334433175).

The spelling of 421003133051 in words is "four hundred twenty-one billion, three million, one hundred thirty-three thousand, fifty-one".