221222202202010 has 16 divisors (see below), whose sum is σ = 398338275916800. Its totient is φ = 88458144891216.

The previous prime is 221222202202009. The next prime is 221222202202061. The reversal of 221222202202010 is 10202202222122.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3841968470 + ... + 3842026049.

It is an arithmetic number, because the mean of its divisors is an integer number (24896142244800).

Almost surely, 2^{221222202202010} is an apocalyptic number.

221222202202010 is a deficient number, since it is larger than the sum of its proper divisors (177116073714790).

221222202202010 is a wasteful number, since it uses less digits than its factorization.

221222202202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7683997405.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 221222202202010 its reverse (10202202222122), we get a palindrome (231424404424132).

The spelling of 221222202202010 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, two hundred two million, two hundred two thousand, ten".