222221202202211 has 16 divisors (see below), whose sum is σ = 223562080437696. Its totient is φ = 220881585600000.

The previous prime is 222221202202199. The next prime is 222221202202309. The reversal of 222221202202211 is 112202202122222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222221202202211 is a prime.

It is a super-2 number, since 2×222221202202211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222221202292211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6605648951 + ... + 6605682591.

It is an arithmetic number, because the mean of its divisors is an integer number (13972630027356).

Almost surely, 2^{222221202202211} is an apocalyptic number.

222221202202211 is a deficient number, since it is larger than the sum of its proper divisors (1340878235485).

222221202202211 is a wasteful number, since it uses less digits than its factorization.

222221202202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51214.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222221202202211 its reverse (112202202122222), we get a palindrome (334423404324433).

The spelling of 222221202202211 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred two million, two hundred two thousand, two hundred eleven".