34521203402111 has 4 divisors (see below), whose sum is σ = 34521533168712. Its totient is φ = 34520873635512.

The previous prime is 34521203402093. The next prime is 34521203402201. The reversal of 34521203402111 is 11120430212543.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 34521203402111 - 2¹⁸ = 34521203139967 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 (34521203452111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164726225 + ... + 164935658.

It is an arithmetic number, because the mean of its divisors is an integer number (8630383292178).

Almost surely, 2^{34521203402111} is an apocalyptic number.

34521203402111 is a deficient number, since it is larger than the sum of its proper divisors (329766601).

34521203402111 is a wasteful number, since it uses less digits than its factorization.

34521203402111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329766600.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 34521203402111 its reverse (11120430212543), we get a palindrome (45641633614654).

The spelling of 34521203402111 in words is "thirty-four trillion, five hundred twenty-one billion, two hundred three million, four hundred two thousand, one hundred eleven".