20213010233011 has 16 divisors (see below), whose sum is σ = 20313054568800. Its totient is φ = 20113270329600.

The previous prime is 20213010232999. The next prime is 20213010233077. The reversal of 20213010233011 is 11033201031202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20213010233011 is a prime.

It is a super-2 number, since 2×20213010233011² (a number of 27 digits) contains 22 as substring.

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 20213010233011.

It is not an unprimeable number, because it can be changed into a prime (20213010236011) 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 15 ways as a sum of consecutive naturals, for example, 301558681 + ... + 301625701.

It is an arithmetic number, because the mean of its divisors is an integer number (1269565910550).

Almost surely, 2^{20213010233011} is an apocalyptic number.

20213010233011 is a deficient number, since it is larger than the sum of its proper divisors (100044335789).

20213010233011 is a wasteful number, since it uses less digits than its factorization.

20213010233011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69270.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20213010233011 its reverse (11033201031202), we get a palindrome (31246211264213).

The spelling of 20213010233011 in words is "twenty trillion, two hundred thirteen billion, ten million, two hundred thirty-three thousand, eleven".