42221121303079 has 2 divisors, whose sum is σ = 42221121303080. Its totient is φ = 42221121303078.

The previous prime is 42221121303061. The next prime is 42221121303089. The reversal of 42221121303079 is 97030312112224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42221121303079 - 2¹¹ = 42221121301031 is a prime.

It is a super-2 number, since 2×42221121303079² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42221121303089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21110560651539 + 21110560651540.

It is an arithmetic number, because the mean of its divisors is an integer number (21110560651540).

Almost surely, 2^{42221121303079} is an apocalyptic number.

42221121303079 is a deficient number, since it is larger than the sum of its proper divisors (1).

42221121303079 is an equidigital number, since it uses as much as digits as its factorization.

42221121303079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 42221121303079 in words is "forty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, three hundred three thousand, seventy-nine".