120211220120211 has 48 divisors (see below), whose sum is σ = 193558030997760. Its totient is φ = 71280839448000.

The previous prime is 120211220120183. The next prime is 120211220120219. The reversal of 120211220120211 is 112021022112021.

120211220120211 is a `hidden beast` number, since 1 + 2 + 0 + 211 + 220 + 1 + 20 + 211 = 666.

It is not a de Polignac number, because 120211220120211 - 2¹⁷ = 120211219989139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120211220120219) 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 47 ways as a sum of consecutive naturals, for example, 64354696 + ... + 66196293.

It is an arithmetic number, because the mean of its divisors is an integer number (4032458979120).

Almost surely, 2^{120211220120211} is an apocalyptic number.

120211220120211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120211220120211 is a deficient number, since it is larger than the sum of its proper divisors (73346810877549).

120211220120211 is a wasteful number, since it uses less digits than its factorization.

120211220120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130551208 (or 130551205 counting only the distinct ones).

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

Adding to 120211220120211 its reverse (112021022112021), we get a palindrome (232232242232232).

The spelling of 120211220120211 in words is "one hundred twenty trillion, two hundred eleven billion, two hundred twenty million, one hundred twenty thousand, two hundred eleven".