131022120211 has 8 divisors (see below), whose sum is σ = 133216451280. Its totient is φ = 128834812128.

The previous prime is 131022120209. The next prime is 131022120221. The reversal of 131022120211 is 112021220131.

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

It is a cyclic number.

It is not a de Polignac number, because 131022120211 - 2¹ = 131022120209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131022120221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718116 + ... + 1792753.

It is an arithmetic number, because the mean of its divisors is an integer number (16652056410).

Almost surely, 2^131022120211 is an apocalyptic number.

131022120211 is a deficient number, since it is larger than the sum of its proper divisors (2194331069).

131022120211 is an equidigital number, since it uses as much as digits as its factorization.

131022120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511493.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 131022120211 its reverse (112021220131), we get a palindrome (243043340342).

The spelling of 131022120211 in words is "one hundred thirty-one billion, twenty-two million, one hundred twenty thousand, two hundred eleven".