2011302121131 has 8 divisors (see below), whose sum is σ = 2979706846160. Its totient is φ = 1340868080736.

The previous prime is 2011302121091. The next prime is 2011302121133. The reversal of 2011302121131 is 1311212031102.

It is a de Polignac number, because none of the positive numbers 2^k-2011302121131 is a prime.

It is a super-2 number, since 2×2011302121131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011302121133) 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, 37246335550 + ... + 37246335603.

It is an arithmetic number, because the mean of its divisors is an integer number (372463355770).

Almost surely, 2^{2011302121131} is an apocalyptic number.

2011302121131 is a deficient number, since it is larger than the sum of its proper divisors (968404725029).

2011302121131 is an equidigital number, since it uses as much as digits as its factorization.

2011302121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74492671162 (or 74492671156 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2011302121131 its reverse (1311212031102), we get a palindrome (3322514152233).

The spelling of 2011302121131 in words is "two trillion, eleven billion, three hundred two million, one hundred twenty-one thousand, one hundred thirty-one".