20212131302011 has 8 divisors (see below), whose sum is σ = 22297346074800. Its totient is φ = 18168207911040.

The previous prime is 20212131301987. The next prime is 20212131302021. The reversal of 20212131302011 is 11020313121202.

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

It is not a de Polignac number, because 20212131302011 - 2⁹ = 20212131301499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20212131302011.

It is not an unprimeable number, because it can be changed into a prime (20212131302021) 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, 10322844426 + ... + 10322846383.

It is an arithmetic number, because the mean of its divisors is an integer number (2787168259350).

Almost surely, 2^{20212131302011} is an apocalyptic number.

20212131302011 is a deficient number, since it is larger than the sum of its proper divisors (2085214772789).

20212131302011 is a wasteful number, since it uses less digits than its factorization.

20212131302011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20645690909.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20212131302011 its reverse (11020313121202), we get a palindrome (31232444423213).

The spelling of 20212131302011 in words is "twenty trillion, two hundred twelve billion, one hundred thirty-one million, three hundred two thousand, eleven".