20213421330011 has 32 divisors (see below), whose sum is σ = 25058469811200. Its totient is φ = 15877172278656.

The previous prime is 20213421329939. The next prime is 20213421330029. The reversal of 20213421330011 is 11003312431202.

It is not a de Polignac number, because 20213421330011 - 2¹⁴ = 20213421313627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20213421330511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24915410 + ... + 25713896.

It is an arithmetic number, because the mean of its divisors is an integer number (783077181600).

Almost surely, 2^{20213421330011} is an apocalyptic number.

20213421330011 is a deficient number, since it is larger than the sum of its proper divisors (4845048481189).

20213421330011 is a wasteful number, since it uses less digits than its factorization.

20213421330011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800523.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20213421330011 its reverse (11003312431202), we get a palindrome (31216733761213).

The spelling of 20213421330011 in words is "twenty trillion, two hundred thirteen billion, four hundred twenty-one million, three hundred thirty thousand, eleven".