221033111343434 has 64 divisors (see below), whose sum is σ = 358921912527360. Its totient is φ = 101482684047360.

The previous prime is 221033111343419. The next prime is 221033111343437. The reversal of 221033111343434 is 434343111330122.

It is a junction number, because it is equal to n+sod(n) for n = 221033111343394 and 221033111343403.

It is not an unprimeable number, because it can be changed into a prime (221033111343437) 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, 22423969034 + ... + 22423978890.

It is an arithmetic number, because the mean of its divisors is an integer number (5608154883240).

Almost surely, 2^{221033111343434} is an apocalyptic number.

221033111343434 is a deficient number, since it is larger than the sum of its proper divisors (137888801183926).

221033111343434 is a wasteful number, since it uses less digits than its factorization.

221033111343434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14655.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 221033111343434 its reverse (434343111330122), we get a palindrome (655376222673556).

The spelling of 221033111343434 in words is "two hundred twenty-one trillion, thirty-three billion, one hundred eleven million, three hundred forty-three thousand, four hundred thirty-four".