7222220112211 has 16 divisors (see below), whose sum is σ = 7899303379968. Its totient is φ = 6562635156000.

The previous prime is 7222220112187. The next prime is 7222220112227. The reversal of 7222220112211 is 1122110222227.

It is a cyclic number.

It is not a de Polignac number, because 7222220112211 - 2¹⁷ = 7222219981139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7222220112271) 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, 1593475 + ... + 4121116.

It is an arithmetic number, because the mean of its divisors is an integer number (493706461248).

Almost surely, 2^{7222220112211} is an apocalyptic number.

7222220112211 is a deficient number, since it is larger than the sum of its proper divisors (677083267757).

7222220112211 is a wasteful number, since it uses less digits than its factorization.

7222220112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716122.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 7222220112211 its reverse (1122110222227), we get a palindrome (8344330334438).

The spelling of 7222220112211 in words is "seven trillion, two hundred twenty-two billion, two hundred twenty million, one hundred twelve thousand, two hundred eleven".