221012022202 has 16 divisors (see below), whose sum is σ = 337742356320. Its totient is φ = 108437963248.

The previous prime is 221012022173. The next prime is 221012022299. The reversal of 221012022202 is 202220210122.

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, 1615588 + ... + 1747039.

It is an arithmetic number, because the mean of its divisors is an integer number (21108897270).

Almost surely, 2^221012022202 is an apocalyptic number.

221012022202 is a deficient number, since it is larger than the sum of its proper divisors (116730334118).

221012022202 is a wasteful number, since it uses less digits than its factorization.

221012022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363245.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 221012022202 its reverse (202220210122), we get a palindrome (423232232324).

It can be divided in two parts, 2210120 and 22202, that added together give a palindrome (2232322).

The spelling of 221012022202 in words is "two hundred twenty-one billion, twelve million, twenty-two thousand, two hundred two".