120122213211 has 144 divisors (see below), whose sum is σ = 243537866208. Its totient is φ = 56043187200.

The previous prime is 120122213203. The next prime is 120122213213. The reversal of 120122213211 is 112312221021.

120122213211 is a `hidden beast` number, since 120 + 1 + 2 + 221 + 321 + 1 = 666.

It is not a de Polignac number, because 120122213211 - 2³ = 120122213203 is a prime.

It is a super-2 number, since 2×120122213211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120122213213) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2307591 + ... + 2359071.

It is an arithmetic number, because the mean of its divisors is an integer number (1691235182).

Almost surely, 2^120122213211 is an apocalyptic number.

120122213211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120122213211 is an abundant number, since it is smaller than the sum of its proper divisors (123415652997).

120122213211 is a wasteful number, since it uses less digits than its factorization.

120122213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51562 (or 51552 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 120122213211 its reverse (112312221021), we get a palindrome (232434434232).

It can be divided in two parts, 120122 and 213211, that added together give a palindrome (333333).

The spelling of 120122213211 in words is "one hundred twenty billion, one hundred twenty-two million, two hundred thirteen thousand, two hundred eleven".