222112121202101 has 16 divisors (see below), whose sum is σ = 239642756426304. Its totient is φ = 204645094303104.

The previous prime is 222112121202073. The next prime is 222112121202119. The reversal of 222112121202101 is 101202121211222.

It is not a de Polignac number, because 222112121202101 - 2³⁰ = 222111047460277 is a prime.

It is a super-3 number, since 3×222112121202101³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112121202001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 225089945 + ... + 226074561.

It is an arithmetic number, because the mean of its divisors is an integer number (14977672276644).

Almost surely, 2^{222112121202101} is an apocalyptic number.

It is an amenable number.

222112121202101 is a deficient number, since it is larger than the sum of its proper divisors (17530635224203).

222112121202101 is a wasteful number, since it uses less digits than its factorization.

222112121202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016900.

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

Adding to 222112121202101 its reverse (101202121211222), we get a palindrome (323314242413323).

The spelling of 222112121202101 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred twenty-one million, two hundred two thousand, one hundred one".