120112001222111 has 4 divisors (see below), whose sum is σ = 120112105609224. Its totient is φ = 120111896835000.

The previous prime is 120112001222039. The next prime is 120112001222221. The reversal of 120112001222111 is 111222100211021.

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 120112001222111 - 2¹⁸ = 120112000959967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120112001222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112001212111) 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, 50448140 + ... + 52775361.

It is an arithmetic number, because the mean of its divisors is an integer number (30028026402306).

Almost surely, 2^{120112001222111} is an apocalyptic number.

120112001222111 is a deficient number, since it is larger than the sum of its proper divisors (104387113).

120112001222111 is a wasteful number, since it uses less digits than its factorization.

120112001222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104387112.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120112001222111 its reverse (111222100211021), we get a palindrome (231334101433132).

The spelling of 120112001222111 in words is "one hundred twenty trillion, one hundred twelve billion, one million, two hundred twenty-two thousand, one hundred eleven".