20000111222 has 16 divisors (see below), whose sum is σ = 36923282592. Its totient is φ = 7912131840.

The previous prime is 20000111221. The next prime is 20000111237. The reversal of 20000111222 is 22211100002.

It is a happy number.

20000111222 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000111221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54945179 + ... + 54945542.

It is an arithmetic number, because the mean of its divisors is an integer number (2307705162).

Almost surely, 2^20000111222 is an apocalyptic number.

20000111222 is a deficient number, since it is larger than the sum of its proper divisors (16923171370).

20000111222 is a wasteful number, since it uses less digits than its factorization.

20000111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109890743.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20000111222 its reverse (22211100002), we get a palindrome (42211211224).

The spelling of 20000111222 in words is "twenty billion, one hundred eleven thousand, two hundred twenty-two".