222101220211 has 8 divisors (see below), whose sum is σ = 239234722160. Its totient is φ = 204974688672.

The previous prime is 222101220191. The next prime is 222101220217. The reversal of 222101220211 is 112022101222.

It is a happy number.

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

It is not a de Polignac number, because 222101220211 - 2¹³ = 222101212019 is a prime.

It is a super-2 number, since 2×222101220211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222101220217) 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, 1676325 + ... + 1803958.

It is an arithmetic number, because the mean of its divisors is an integer number (29904340270).

Almost surely, 2^222101220211 is an apocalyptic number.

222101220211 is a deficient number, since it is larger than the sum of its proper divisors (17133501949).

222101220211 is a wasteful number, since it uses less digits than its factorization.

222101220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485205.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222101220211 its reverse (112022101222), we get a palindrome (334123321433).

It can be divided in two parts, 22210 and 1220211, that added together give a palindrome (1242421).

The spelling of 222101220211 in words is "two hundred twenty-two billion, one hundred one million, two hundred twenty thousand, two hundred eleven".