120122111212111 has 8 divisors (see below), whose sum is σ = 120237426565200. Its totient is φ = 120006797393088.

The previous prime is 120122111212093. The next prime is 120122111212151. The reversal of 120122111212111 is 111212111221021.

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

It is a cyclic number.

It is not a de Polignac number, because 120122111212111 - 2⁷ = 120122111211983 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 (120122111212151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213323545 + ... + 213885901.

It is an arithmetic number, because the mean of its divisors is an integer number (15029678320650).

Almost surely, 2^{120122111212111} is an apocalyptic number.

120122111212111 is a deficient number, since it is larger than the sum of its proper divisors (115315353089).

120122111212111 is a wasteful number, since it uses less digits than its factorization.

120122111212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767033.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 120122111212111 its reverse (111212111221021), we get a palindrome (231334222433132).

The spelling of 120122111212111 in words is "one hundred twenty trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twelve thousand, one hundred eleven".