20213132142011 has 16 divisors (see below), whose sum is σ = 21220853176320. Its totient is φ = 19233919916640.

The previous prime is 20213132141989. The next prime is 20213132142017. The reversal of 20213132142011 is 11024123131202.

It is a cyclic number.

It is not a de Polignac number, because 20213132142011 - 2³⁴ = 20195952272827 is a prime.

It is a super-2 number, since 2×20213132142011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20213132142017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28985435 + ... + 29674596.

It is an arithmetic number, because the mean of its divisors is an integer number (1326303323520).

Almost surely, 2^{20213132142011} is an apocalyptic number.

20213132142011 is a deficient number, since it is larger than the sum of its proper divisors (1007721034309).

20213132142011 is a wasteful number, since it uses less digits than its factorization.

20213132142011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58660274.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 20213132142011 its reverse (11024123131202), we get a palindrome (31237255273213).

The spelling of 20213132142011 in words is "twenty trillion, two hundred thirteen billion, one hundred thirty-two million, one hundred forty-two thousand, eleven".