222101122101212 has 6 divisors (see below), whose sum is σ = 388676963677128. Its totient is φ = 111050561050604.

The previous prime is 222101122101179. The next prime is 222101122101223. The reversal of 222101122101212 is 212101221101222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27762640262648 + ... + 27762640262655.

It is an arithmetic number, because the mean of its divisors is an integer number (64779493946188).

Almost surely, 2^{222101122101212} is an apocalyptic number.

It is an amenable number.

222101122101212 is a deficient number, since it is larger than the sum of its proper divisors (166575841575916).

222101122101212 is a wasteful number, since it uses less digits than its factorization.

222101122101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55525280525307 (or 55525280525305 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222101122101212 its reverse (212101221101222), we get a palindrome (434202343202434).

The spelling of 222101122101212 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred twenty-two million, one hundred one thousand, two hundred twelve".