221103214402 has 24 divisors (see below), whose sum is σ = 386968170960. Its totient is φ = 94472227080.

The previous prime is 221103214393. The next prime is 221103214421. The reversal of 221103214402 is 204412301122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3375652 + ... + 3440527.

It is an arithmetic number, because the mean of its divisors is an integer number (16123673790).

Almost surely, 2^221103214402 is an apocalyptic number.

221103214402 is a deficient number, since it is larger than the sum of its proper divisors (165864956558).

221103214402 is a wasteful number, since it uses less digits than its factorization.

221103214402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816526 (or 6816519 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 221103214402 its reverse (204412301122), we get a palindrome (425515515524).

The spelling of 221103214402 in words is "two hundred twenty-one billion, one hundred three million, two hundred fourteen thousand, four hundred two".