200121022011 has 32 divisors (see below), whose sum is σ = 288253152000. Its totient is φ = 123109849728.

The previous prime is 200121022007. The next prime is 200121022021. The reversal of 200121022011 is 110220121002.

200121022011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200121022011 - 2² = 200121022007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200121022021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93601 + ... + 639533.

It is an arithmetic number, because the mean of its divisors is an integer number (9007911000).

Almost surely, 2^200121022011 is an apocalyptic number.

200121022011 is a deficient number, since it is larger than the sum of its proper divisors (88132129989).

200121022011 is a wasteful number, since it uses less digits than its factorization.

200121022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546123.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200121022011 its reverse (110220121002), we get a palindrome (310341143013).

The spelling of 200121022011 in words is "two hundred billion, one hundred twenty-one million, twenty-two thousand, eleven".