7120111222211 has 4 divisors (see below), whose sum is σ = 7667812085472. Its totient is φ = 6572410358952.

The previous prime is 7120111222171. The next prime is 7120111222291. The reversal of 7120111222211 is 1122221110217.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7120111222211 - 2¹⁰ = 7120111221187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7120111222291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273850431611 + ... + 273850431636.

It is an arithmetic number, because the mean of its divisors is an integer number (1916953021368).

Almost surely, 2^{7120111222211} is an apocalyptic number.

7120111222211 is a deficient number, since it is larger than the sum of its proper divisors (547700863261).

7120111222211 is a wasteful number, since it uses less digits than its factorization.

7120111222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547700863260.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 7120111222211 its reverse (1122221110217), we get a palindrome (8242332332428).

The spelling of 7120111222211 in words is "seven trillion, one hundred twenty billion, one hundred eleven million, two hundred twenty-two thousand, two hundred eleven".