20000100221211 has 16 divisors (see below), whose sum is σ = 29095022361600. Its totient is φ = 12119619738720.

The previous prime is 20000100221207. The next prime is 20000100221239. The reversal of 20000100221211 is 11212200100002.

It is not a de Polignac number, because 20000100221211 - 2² = 20000100221207 is a prime.

It is a super-2 number, since 2×20000100221211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20000100221261) 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 15 ways as a sum of consecutive naturals, for example, 41082411 + ... + 41566388.

It is an arithmetic number, because the mean of its divisors is an integer number (1818438897600).

Almost surely, 2^{20000100221211} is an apocalyptic number.

20000100221211 is a deficient number, since it is larger than the sum of its proper divisors (9094922140389).

20000100221211 is a wasteful number, since it uses less digits than its factorization.

20000100221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82656146.

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

Adding to 20000100221211 its reverse (11212200100002), we get a palindrome (31212300321213).

The spelling of 20000100221211 in words is "twenty trillion, one hundred million, two hundred twenty-one thousand, two hundred eleven".