120002012111 has 4 divisors (see below), whose sum is σ = 120005780400. Its totient is φ = 119998243824.

The previous prime is 120002012083. The next prime is 120002012149. The reversal of 120002012111 is 111210200021.

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 120002012111 - 2¹⁴ = 120001995727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120002012092 and 120002012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120002002111) 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 3 ways as a sum of consecutive naturals, for example, 1835966 + ... + 1900203.

It is an arithmetic number, because the mean of its divisors is an integer number (30001445100).

Almost surely, 2^120002012111 is an apocalyptic number.

120002012111 is a deficient number, since it is larger than the sum of its proper divisors (3768289).

120002012111 is an equidigital number, since it uses as much as digits as its factorization.

120002012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768288.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120002012111 its reverse (111210200021), we get a palindrome (231212212132).

The spelling of 120002012111 in words is "one hundred twenty billion, two million, twelve thousand, one hundred eleven".