222212211022112 has 12 divisors (see below), whose sum is σ = 437480290449846. Its totient is φ = 111106105511040.

The previous prime is 222212211022099. The next prime is 222212211022117. The reversal of 222212211022112 is 211220112212222.

It can be written as a sum of positive squares in only one way, i.e., 198049441584016 + 24162769438096 = 14073004^2 + 4915564^2 .

It is not an unprimeable number, because it can be changed into a prime (222212211022117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3472065797189 + ... + 3472065797252.

Almost surely, 2^{222212211022112} is an apocalyptic number.

It is an amenable number.

222212211022112 is a deficient number, since it is larger than the sum of its proper divisors (215268079427734).

222212211022112 is an equidigital number, since it uses as much as digits as its factorization.

222212211022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6944131594451 (or 6944131594443 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 222212211022112 its reverse (211220112212222), we get a palindrome (433432323234334).

The spelling of 222212211022112 in words is "two hundred twenty-two trillion, two hundred twelve billion, two hundred eleven million, twenty-two thousand, one hundred twelve".