222101202212 has 6 divisors (see below), whose sum is σ = 388677103878. Its totient is φ = 111050601104.

The previous prime is 222101202203. The next prime is 222101202227. The reversal of 222101202212 is 212202101222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 213597411556 + 8503790656 = 462166^2 + 92216^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27762650273 + ... + 27762650280.

It is an arithmetic number, because the mean of its divisors is an integer number (64779517313).

Almost surely, 2^222101202212 is an apocalyptic number.

It is an amenable number.

222101202212 is a deficient number, since it is larger than the sum of its proper divisors (166575901666).

222101202212 is a wasteful number, since it uses less digits than its factorization.

222101202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55525300557 (or 55525300555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222101202212 its reverse (212202101222), we get a palindrome (434303303434).

The spelling of 222101202212 in words is "two hundred twenty-two billion, one hundred one million, two hundred two thousand, two hundred twelve".