222112102020212 has 12 divisors (see below), whose sum is σ = 388914179769696. Its totient is φ = 110993764943160.

The previous prime is 222112102020197. The next prime is 222112102020241. The reversal of 222112102020212 is 212020201211222.

It is a super-2 number, since 2×222112102020212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15571508714 + ... + 15571522977.

It is an arithmetic number, because the mean of its divisors is an integer number (32409514980808).

Almost surely, 2^{222112102020212} is an apocalyptic number.

It is an amenable number.

222112102020212 is a deficient number, since it is larger than the sum of its proper divisors (166802077749484).

222112102020212 is a wasteful number, since it uses less digits than its factorization.

222112102020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31143033478 (or 31143033476 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222112102020212 its reverse (212020201211222), we get a palindrome (434132303231434).

The spelling of 222112102020212 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred two million, twenty thousand, two hundred twelve".