201421030440067 has 2 divisors, whose sum is σ = 201421030440068. Its totient is φ = 201421030440066.

The previous prime is 201421030440037. The next prime is 201421030440103. The reversal of 201421030440067 is 760044030124102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201421030440067 - 2²⁷ = 201420896222339 is a prime.

It is a super-3 number, since 3×201421030440067³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (201421030440037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100710515220033 + 100710515220034.

It is an arithmetic number, because the mean of its divisors is an integer number (100710515220034).

Almost surely, 2^{201421030440067} is an apocalyptic number.

201421030440067 is a deficient number, since it is larger than the sum of its proper divisors (1).

201421030440067 is an equidigital number, since it uses as much as digits as its factorization.

201421030440067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

Adding to 201421030440067 its reverse (760044030124102), we get a palindrome (961465060564169).

The spelling of 201421030440067 in words is "two hundred one trillion, four hundred twenty-one billion, thirty million, four hundred forty thousand, sixty-seven".