221033234413 has 8 divisors (see below), whose sum is σ = 236610064800. Its totient is φ = 205850754288.

The previous prime is 221033234407. The next prime is 221033234479. The reversal of 221033234413 is 314432330122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221033234413 - 2⁵ = 221033234381 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 (221033234113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98586406 + ... + 98588647.

It is an arithmetic number, because the mean of its divisors is an integer number (29576258100).

Almost surely, 2^221033234413 is an apocalyptic number.

It is an amenable number.

221033234413 is a deficient number, since it is larger than the sum of its proper divisors (15576830387).

221033234413 is a wasteful number, since it uses less digits than its factorization.

221033234413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197175131.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 221033234413 its reverse (314432330122), we get a palindrome (535465564535).

The spelling of 221033234413 in words is "two hundred twenty-one billion, thirty-three million, two hundred thirty-four thousand, four hundred thirteen".