120211021211 has 8 divisors (see below), whose sum is σ = 121310985984. Its totient is φ = 119111690880.

The previous prime is 120211021199. The next prime is 120211021223. The reversal of 120211021211 is 112120112021.

It is an interprime number because it is at equal distance from previous prime (120211021199) and next prime (120211021223).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120211021211 - 2³⁴ = 103031152027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120211021291) 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 7 ways as a sum of consecutive naturals, for example, 226325 + ... + 540041.

It is an arithmetic number, because the mean of its divisors is an integer number (15163873248).

Almost surely, 2^120211021211 is an apocalyptic number.

120211021211 is a deficient number, since it is larger than the sum of its proper divisors (1099964773).

120211021211 is a wasteful number, since it uses less digits than its factorization.

120211021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317221.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120211021211 its reverse (112120112021), we get a palindrome (232331133232).

The spelling of 120211021211 in words is "one hundred twenty billion, two hundred eleven million, twenty-one thousand, two hundred eleven".