120222221011111 has 4 divisors (see below), whose sum is σ = 120222243506232. Its totient is φ = 120222198515992.

The previous prime is 120222221011069. The next prime is 120222221011187. The reversal of 120222221011111 is 111110122222021.

It is a happy number.

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 120222221011111 - 2¹¹ = 120222221009063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120222221014111) 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, 1863180 + ... + 15617806.

It is an arithmetic number, because the mean of its divisors is an integer number (30055560876558).

Almost surely, 2^{120222221011111} is an apocalyptic number.

120222221011111 is a deficient number, since it is larger than the sum of its proper divisors (22495121).

120222221011111 is an equidigital number, since it uses as much as digits as its factorization.

120222221011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22495120.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120222221011111 its reverse (111110122222021), we get a palindrome (231332343233132).

The spelling of 120222221011111 in words is "one hundred twenty trillion, two hundred twenty-two billion, two hundred twenty-one million, eleven thousand, one hundred eleven".