211012302011331 has 4 divisors (see below), whose sum is σ = 281349736015112. Its totient is φ = 140674868007552.

The previous prime is 211012302011297. The next prime is 211012302011341. The reversal of 211012302011331 is 133110203210112.

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

It is not a de Polignac number, because 211012302011331 - 2²³ = 211012293622723 is a prime.

It is a super-3 number, since 3×211012302011331³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211012302011298 and 211012302011307.

It is not an unprimeable number, because it can be changed into a prime (211012302011341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35168717001886 + ... + 35168717001891.

It is an arithmetic number, because the mean of its divisors is an integer number (70337434003778).

Almost surely, 2^{211012302011331} is an apocalyptic number.

211012302011331 is a deficient number, since it is larger than the sum of its proper divisors (70337434003781).

211012302011331 is an equidigital number, since it uses as much as digits as its factorization.

211012302011331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70337434003780.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 211012302011331 its reverse (133110203210112), we get a palindrome (344122505221443).

The spelling of 211012302011331 in words is "two hundred eleven trillion, twelve billion, three hundred two million, eleven thousand, three hundred thirty-one".