211230122131011 has 8 divisors (see below), whose sum is σ = 282160754641744. Its totient is φ = 140559785520480.

The previous prime is 211230122130953. The next prime is 211230122131013. The reversal of 211230122131011 is 110131221032112.

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

It is not a de Polignac number, because 211230122131011 - 2³¹ = 211227974647363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211230122131013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65073973156 + ... + 65073976401.

It is an arithmetic number, because the mean of its divisors is an integer number (35270094330218).

Almost surely, 2^{211230122131011} is an apocalyptic number.

211230122131011 is a deficient number, since it is larger than the sum of its proper divisors (70930632510733).

211230122131011 is a wasteful number, since it uses less digits than its factorization.

211230122131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130147950101.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 211230122131011 its reverse (110131221032112), we get a palindrome (321361343163123).

The spelling of 211230122131011 in words is "two hundred eleven trillion, two hundred thirty billion, one hundred twenty-two million, one hundred thirty-one thousand, eleven".