20343113212011 has 16 divisors (see below), whose sum is σ = 27164409532416. Its totient is φ = 13541946983136.

The previous prime is 20343113211991. The next prime is 20343113212033. The reversal of 20343113212011 is 11021231134302.

It is not a de Polignac number, because 20343113212011 - 2²⁶ = 20343046103147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20343113202011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200368086 + ... + 200469588.

It is an arithmetic number, because the mean of its divisors is an integer number (1697775595776).

Almost surely, 2^{20343113212011} is an apocalyptic number.

20343113212011 is a deficient number, since it is larger than the sum of its proper divisors (6821296320405).

20343113212011 is a wasteful number, since it uses less digits than its factorization.

20343113212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200002.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 20343113212011 its reverse (11021231134302), we get a palindrome (31364344346313).

The spelling of 20343113212011 in words is "twenty trillion, three hundred forty-three billion, one hundred thirteen million, two hundred twelve thousand, eleven".