120111222211 has 4 divisors (see below), whose sum is σ = 120115931832. Its totient is φ = 120106512592.

The previous prime is 120111222181. The next prime is 120111222239. The reversal of 120111222211 is 112222111021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112222111021 = 659 ⋅170291519.

It is a cyclic number.

It is not a de Polignac number, because 120111222211 - 2³⁵ = 85751483843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120111222241) 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, 2316346 + ... + 2367631.

It is an arithmetic number, because the mean of its divisors is an integer number (30028982958).

Almost surely, 2^120111222211 is an apocalyptic number.

120111222211 is a deficient number, since it is larger than the sum of its proper divisors (4709621).

120111222211 is an equidigital number, since it uses as much as digits as its factorization.

120111222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4709620.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120111222211 its reverse (112222111021), we get a palindrome (232333333232).

The spelling of 120111222211 in words is "one hundred twenty billion, one hundred eleven million, two hundred twenty-two thousand, two hundred eleven".