221103214415 has 16 divisors (see below), whose sum is σ = 280326549600. Its totient is φ = 166949995392.

The previous prime is 221103214393. The next prime is 221103214421. The reversal of 221103214415 is 514412301122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 221103214415 - 2¹⁶ = 221103148879 is a prime.

It is a congruent number.

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, 4300472 + ... + 4351581.

It is an arithmetic number, because the mean of its divisors is an integer number (17520409350).

Almost surely, 2^221103214415 is an apocalyptic number.

221103214415 is a deficient number, since it is larger than the sum of its proper divisors (59223335185).

221103214415 is a wasteful number, since it uses less digits than its factorization.

221103214415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8652346.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 221103214415 its reverse (514412301122), we get a palindrome (735515515537).

The spelling of 221103214415 in words is "two hundred twenty-one billion, one hundred three million, two hundred fourteen thousand, four hundred fifteen".