221313104435 has 16 divisors (see below), whose sum is σ = 276039652896. Its totient is φ = 170189837568.

The previous prime is 221313104417. The next prime is 221313104461. The reversal of 221313104435 is 534401313122.

It is a cyclic number.

It is not a de Polignac number, because 221313104435 - 2²⁶ = 221245995571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221313104398 and 221313104407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7191194 + ... + 7221903.

It is an arithmetic number, because the mean of its divisors is an integer number (17252478306).

Almost surely, 2^221313104435 is an apocalyptic number.

221313104435 is a deficient number, since it is larger than the sum of its proper divisors (54726548461).

221313104435 is a wasteful number, since it uses less digits than its factorization.

221313104435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14413222.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 221313104435 its reverse (534401313122), we get a palindrome (755714417557).

The spelling of 221313104435 in words is "two hundred twenty-one billion, three hundred thirteen million, one hundred four thousand, four hundred thirty-five".