20213232131011 has 4 divisors (see below), whose sum is σ = 20213277678000. Its totient is φ = 20213186584024.

The previous prime is 20213232130999. The next prime is 20213232131117. The reversal of 20213232131011 is 11013123231202.

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 20213232131011 - 2⁹ = 20213232130499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20213232132011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22101196 + ... + 22997593.

It is an arithmetic number, because the mean of its divisors is an integer number (5053319419500).

Almost surely, 2^{20213232131011} is an apocalyptic number.

20213232131011 is a deficient number, since it is larger than the sum of its proper divisors (45546989).

20213232131011 is an equidigital number, since it uses as much as digits as its factorization.

20213232131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45546988.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20213232131011 its reverse (11013123231202), we get a palindrome (31226355362213).

The spelling of 20213232131011 in words is "twenty trillion, two hundred thirteen billion, two hundred thirty-two million, one hundred thirty-one thousand, eleven".