20110000212221 has 8 divisors (see below), whose sum is σ = 20305341925440. Its totient is φ = 19914660402912.

The previous prime is 20110000212209. The next prime is 20110000212283. The reversal of 20110000212221 is 12221200001102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-20110000212221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20110000212196 and 20110000212205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110000212821) 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 7 ways as a sum of consecutive naturals, for example, 30482270 + ... + 31135008.

It is an arithmetic number, because the mean of its divisors is an integer number (2538167740680).

Almost surely, 2^{20110000212221} is an apocalyptic number.

It is an amenable number.

20110000212221 is a deficient number, since it is larger than the sum of its proper divisors (195341713219).

20110000212221 is a wasteful number, since it uses less digits than its factorization.

20110000212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951955.

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

Adding to 20110000212221 its reverse (12221200001102), we get a palindrome (32331200213323).

The spelling of 20110000212221 in words is "twenty trillion, one hundred ten billion, two hundred twelve thousand, two hundred twenty-one".