221010220202 has 16 divisors (see below), whose sum is σ = 345597594624. Its totient is φ = 105881610000.

The previous prime is 221010220183. The next prime is 221010220243. The reversal of 221010220202 is 202022010122.

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, 17640674 + ... + 17653197.

It is an arithmetic number, because the mean of its divisors is an integer number (21599849664).

Almost surely, 2^221010220202 is an apocalyptic number.

221010220202 is a deficient number, since it is larger than the sum of its proper divisors (124587374422).

221010220202 is a wasteful number, since it uses less digits than its factorization.

221010220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35294005.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 221010220202 its reverse (202022010122), we get a palindrome (423032230324).

The spelling of 221010220202 in words is "two hundred twenty-one billion, ten million, two hundred twenty thousand, two hundred two".