34535311221 has 16 divisors (see below), whose sum is σ = 49054602240. Its totient is φ = 21548980080.

The previous prime is 34535311211. The next prime is 34535311241. The reversal of 34535311221 is 12211353543.

It is not a de Polignac number, because 34535311221 - 2⁷ = 34535311093 is a prime.

It is a super-2 number, since 2×34535311221² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34535311211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3645165 + ... + 3654626.

It is an arithmetic number, because the mean of its divisors is an integer number (3065912640).

Almost surely, 2^34535311221 is an apocalyptic number.

It is an amenable number.

34535311221 is a deficient number, since it is larger than the sum of its proper divisors (14519291019).

34535311221 is a wasteful number, since it uses less digits than its factorization.

34535311221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7299896.

The product of its digits is 10800, while the sum is 30.

Adding to 34535311221 its reverse (12211353543), we get a palindrome (46746664764).

The spelling of 34535311221 in words is "thirty-four billion, five hundred thirty-five million, three hundred eleven thousand, two hundred twenty-one".