210011131244311 has 4 divisors (see below), whose sum is σ = 210011187327192. Its totient is φ = 210011075161432.

The previous prime is 210011131244303. The next prime is 210011131244377. The reversal of 210011131244311 is 113442131110012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210011131244311 - 2³ = 210011131244303 is a prime.

It is a super-2 number, since 2×210011131244311² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011131244381) 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 3 ways as a sum of consecutive naturals, for example, 21989005 + ... + 30058918.

It is an arithmetic number, because the mean of its divisors is an integer number (52502796831798).

Almost surely, 2^{210011131244311} is an apocalyptic number.

210011131244311 is a deficient number, since it is larger than the sum of its proper divisors (56082881).

210011131244311 is an equidigital number, since it uses as much as digits as its factorization.

210011131244311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56082880.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 210011131244311 its reverse (113442131110012), we get a palindrome (323453262354323).

The spelling of 210011131244311 in words is "two hundred ten trillion, eleven billion, one hundred thirty-one million, two hundred forty-four thousand, three hundred eleven".