120020121212211 has 24 divisors (see below), whose sum is σ = 189123017756400. Its totient is φ = 72739312588800.

The previous prime is 120020121212191. The next prime is 120020121212213. The reversal of 120020121212211 is 112212121020021.

120020121212211 is a `hidden beast` number, since 1 + 20 + 0 + 201 + 21 + 212 + 211 = 666.

It is not a de Polignac number, because 120020121212211 - 2⁵ = 120020121212179 is a prime.

It is a super-3 number, since 3×120020121212211³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (120020121212213) 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 23 ways as a sum of consecutive naturals, for example, 60177115 + ... + 62139563.

It is an arithmetic number, because the mean of its divisors is an integer number (7880125739850).

Almost surely, 2^{120020121212211} is an apocalyptic number.

120020121212211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120020121212211 is a deficient number, since it is larger than the sum of its proper divisors (69102896544189).

120020121212211 is a wasteful number, since it uses less digits than its factorization.

120020121212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580227 (or 2580224 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120020121212211 its reverse (112212121020021), we get a palindrome (232232242232232).

The spelling of 120020121212211 in words is "one hundred twenty trillion, twenty billion, one hundred twenty-one million, two hundred twelve thousand, two hundred eleven".