222111221201213 has 8 divisors (see below), whose sum is σ = 222161510672640. Its totient is φ = 222060934204560.

The previous prime is 222111221201209. The next prime is 222111221201237. The reversal of 222111221201213 is 312102122111222.

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 222111221201213 - 2² = 222111221201209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222111221201413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185195231 + ... + 186390707.

It is an arithmetic number, because the mean of its divisors is an integer number (27770188834080).

Almost surely, 2^{222111221201213} is an apocalyptic number.

It is an amenable number.

222111221201213 is a deficient number, since it is larger than the sum of its proper divisors (50289471427).

222111221201213 is a wasteful number, since it uses less digits than its factorization.

222111221201213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237387.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 222111221201213 its reverse (312102122111222), we get a palindrome (534213343312435).

The spelling of 222111221201213 in words is "two hundred twenty-two trillion, one hundred eleven billion, two hundred twenty-one million, two hundred one thousand, two hundred thirteen".