42221310044113 has 2 divisors, whose sum is σ = 42221310044114. Its totient is φ = 42221310044112.

The previous prime is 42221310044107. The next prime is 42221310044189. The reversal of 42221310044113 is 31144001312224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41483028695824 + 738281348289 = 6440732^2 + 859233^2 .

It is a cyclic number.

It is not a de Polignac number, because 42221310044113 - 2¹³ = 42221310035921 is a prime.

It is a super-2 number, since 2×42221310044113² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42221310042113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21110655022056 + 21110655022057.

It is an arithmetic number, because the mean of its divisors is an integer number (21110655022057).

Almost surely, 2^{42221310044113} is an apocalyptic number.

It is an amenable number.

42221310044113 is a deficient number, since it is larger than the sum of its proper divisors (1).

42221310044113 is an equidigital number, since it uses as much as digits as its factorization.

42221310044113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 42221310044113 its reverse (31144001312224), we get a palindrome (73365311356337).

The spelling of 42221310044113 in words is "forty-two trillion, two hundred twenty-one billion, three hundred ten million, forty-four thousand, one hundred thirteen".