34011223011221 has 4 divisors (see below), whose sum is σ = 34011925234092. Its totient is φ = 34010520788352.

The previous prime is 34011223011169. The next prime is 34011223011229. The reversal of 34011223011221 is 12211032211043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18045716400625 + 15965506610596 = 4248025^2 + 3995686^2 .

It is a cyclic number.

It is not a de Polignac number, because 34011223011221 - 2¹⁰ = 34011223010197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34011223011229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351038780 + ... + 351135653.

It is an arithmetic number, because the mean of its divisors is an integer number (8502981308523).

Almost surely, 2^{34011223011221} is an apocalyptic number.

It is an amenable number.

34011223011221 is a deficient number, since it is larger than the sum of its proper divisors (702222871).

34011223011221 is an equidigital number, since it uses as much as digits as its factorization.

34011223011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702222870.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 34011223011221 its reverse (12211032211043), we get a palindrome (46222255222264).

The spelling of 34011223011221 in words is "thirty-four trillion, eleven billion, two hundred twenty-three million, eleven thousand, two hundred twenty-one".