222002111210212 has 6 divisors (see below), whose sum is σ = 388503694617878. Its totient is φ = 111001055605104.

The previous prime is 222002111210189. The next prime is 222002111210213. The reversal of 222002111210212 is 212012111200222.

It can be written as a sum of positive squares in only one way, i.e., 116478142590016 + 105523968620196 = 10792504^2 + 10272486^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222002111210212.

It is not an unprimeable number, because it can be changed into a prime (222002111210213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750263901273 + ... + 27750263901280.

Almost surely, 2^{222002111210212} is an apocalyptic number.

It is an amenable number.

222002111210212 is a deficient number, since it is larger than the sum of its proper divisors (166501583407666).

222002111210212 is a wasteful number, since it uses less digits than its factorization.

222002111210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55500527802557 (or 55500527802555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222002111210212 its reverse (212012111200222), we get a palindrome (434014222410434).

The spelling of 222002111210212 in words is "two hundred twenty-two trillion, two billion, one hundred eleven million, two hundred ten thousand, two hundred twelve".