200021020122011 has 32 divisors (see below), whose sum is σ = 223408531296000. Its totient is φ = 177542795774080.

The previous prime is 200021020121983. The next prime is 200021020122029. The reversal of 200021020122011 is 110221020120002.

It is not a de Polignac number, because 200021020122011 - 2³⁰ = 200019946380187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200021020121011) 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, 1495607501 + ... + 1495741233.

It is an arithmetic number, because the mean of its divisors is an integer number (6981516603000).

Almost surely, 2^{200021020122011} is an apocalyptic number.

200021020122011 is a deficient number, since it is larger than the sum of its proper divisors (23387511173989).

200021020122011 is a wasteful number, since it uses less digits than its factorization.

200021020122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149419.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200021020122011 its reverse (110221020120002), we get a palindrome (310242040242013).

The spelling of 200021020122011 in words is "two hundred trillion, twenty-one billion, twenty million, one hundred twenty-two thousand, eleven".