42221201327 has 2 divisors, whose sum is σ = 42221201328. Its totient is φ = 42221201326.

The previous prime is 42221201317. The next prime is 42221201389. The reversal of 42221201327 is 72310212224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42221201327 - 2⁶ = 42221201263 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42221201296 and 42221201305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42221201317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21110600663 + 21110600664.

It is an arithmetic number, because the mean of its divisors is an integer number (21110600664).

Almost surely, 2^42221201327 is an apocalyptic number.

42221201327 is a deficient number, since it is larger than the sum of its proper divisors (1).

42221201327 is an equidigital number, since it uses as much as digits as its factorization.

42221201327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The spelling of 42221201327 in words is "forty-two billion, two hundred twenty-one million, two hundred one thousand, three hundred twenty-seven".