20002211100222 has 128 divisors (see below), whose sum is σ = 44687949336576. Its totient is φ = 5928414976512.

The previous prime is 20002211100199. The next prime is 20002211100239. The reversal of 20002211100222 is 22200111220002.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1469339488 + ... + 1469353100.

It is an arithmetic number, because the mean of its divisors is an integer number (349124604192).

Almost surely, 2^{20002211100222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002211100222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22343974668288).

20002211100222 is an abundant number, since it is smaller than the sum of its proper divisors (24685738236354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20002211100222 is a wasteful number, since it uses less digits than its factorization.

20002211100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18714.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20002211100222 its reverse (22200111220002), we get a palindrome (42202322320224).

The spelling of 20002211100222 in words is "twenty trillion, two billion, two hundred eleven million, one hundred thousand, two hundred twenty-two".