120020021211 has 16 divisors (see below), whose sum is σ = 160581006720. Its totient is φ = 79736329920.

The previous prime is 120020021207. The next prime is 120020021221. The reversal of 120020021211 is 112120020021.

It is not a de Polignac number, because 120020021211 - 2² = 120020021207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120020021221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3984196 + ... + 4014206.

It is an arithmetic number, because the mean of its divisors is an integer number (10036312920).

Almost surely, 2^120020021211 is an apocalyptic number.

120020021211 is a deficient number, since it is larger than the sum of its proper divisors (40560985509).

120020021211 is a wasteful number, since it uses less digits than its factorization.

120020021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34586.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120020021211 its reverse (112120020021), we get a palindrome (232140041232).

The spelling of 120020021211 in words is "one hundred twenty billion, twenty million, twenty-one thousand, two hundred eleven".