120020011211 has 4 divisors (see below), whose sum is σ = 125238272592. Its totient is φ = 114801749832.

The previous prime is 120020011201. The next prime is 120020011229. The reversal of 120020011211 is 112110020021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112110020021 = 6043 ⋅18552047.

It is a cyclic number.

It is not a de Polignac number, because 120020011211 - 2⁶ = 120020011147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020011192 and 120020011201.

It is not an unprimeable number, because it can be changed into a prime (120020011201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2609130656 + ... + 2609130701.

It is an arithmetic number, because the mean of its divisors is an integer number (31309568148).

Almost surely, 2^120020011211 is an apocalyptic number.

120020011211 is a deficient number, since it is larger than the sum of its proper divisors (5218261381).

120020011211 is an equidigital number, since it uses as much as digits as its factorization.

120020011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218261380.

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

Adding to 120020011211 its reverse (112110020021), we get a palindrome (232130031232).

The spelling of 120020011211 in words is "one hundred twenty billion, twenty million, eleven thousand, two hundred eleven".