42211434313221 has 32 divisors (see below), whose sum is σ = 57947245100928. Its totient is φ = 27312121313280.

The previous prime is 42211434313219. The next prime is 42211434313249. The reversal of 42211434313221 is 12231343411224.

It is not a de Polignac number, because 42211434313221 - 2¹ = 42211434313219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42211434313271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167932966 + ... + 168184136.

It is an arithmetic number, because the mean of its divisors is an integer number (1810851409404).

Almost surely, 2^{42211434313221} is an apocalyptic number.

It is an amenable number.

42211434313221 is a deficient number, since it is larger than the sum of its proper divisors (15735810787707).

42211434313221 is a wasteful number, since it uses less digits than its factorization.

42211434313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254981.

The product of its digits is 27648, while the sum is 33.

Adding to 42211434313221 its reverse (12231343411224), we get a palindrome (54442777724445).

The spelling of 42211434313221 in words is "forty-two trillion, two hundred eleven billion, four hundred thirty-four million, three hundred thirteen thousand, two hundred twenty-one".