222112121121101 has 8 divisors (see below), whose sum is σ = 227501880159840. Its totient is φ = 216732560303952.

The previous prime is 222112121121091. The next prime is 222112121121113. The reversal of 222112121121101 is 101121121211222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222112121121101 - 2³⁴ = 222094941251917 is a prime.

It is a super-3 number, since 3×222112121121101³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112121121151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2549511311 + ... + 2549598428.

It is an arithmetic number, because the mean of its divisors is an integer number (28437735019980).

Almost surely, 2^{222112121121101} is an apocalyptic number.

It is an amenable number.

222112121121101 is a deficient number, since it is larger than the sum of its proper divisors (5389759038739).

222112121121101 is a wasteful number, since it uses less digits than its factorization.

222112121121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099110795.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 222112121121101 its reverse (101121121211222), we get a palindrome (323233242332323).

The spelling of 222112121121101 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred one".