120020221211 has 4 divisors (see below), whose sum is σ = 130931150424. Its totient is φ = 109109292000.

The previous prime is 120020221199. The next prime is 120020221219. The reversal of 120020221211 is 112122020021.

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 120020221211 - 2³⁰ = 118946479387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120020221219) 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, 5455464590 + ... + 5455464611.

It is an arithmetic number, because the mean of its divisors is an integer number (32732787606).

Almost surely, 2^120020221211 is an apocalyptic number.

120020221211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120020221211 is a deficient number, since it is larger than the sum of its proper divisors (10910929213).

120020221211 is a wasteful number, since it uses less digits than its factorization.

120020221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10910929212.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120020221211 its reverse (112122020021), we get a palindrome (232142241232).

The spelling of 120020221211 in words is "one hundred twenty billion, twenty million, two hundred twenty-one thousand, two hundred eleven".