20011100222 has 16 divisors (see below), whose sum is σ = 31421343744. Its totient is φ = 9546411000.

The previous prime is 20011100177. The next prime is 20011100227. The reversal of 20011100222 is 22200111002.

It is a happy number.

20011100222 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 (20011100227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2268554 + ... + 2277357.

It is an arithmetic number, because the mean of its divisors is an integer number (1963833984).

Almost surely, 2^20011100222 is an apocalyptic number.

20011100222 is a deficient number, since it is larger than the sum of its proper divisors (11410243522).

20011100222 is a wasteful number, since it uses less digits than its factorization.

20011100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546015.

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

Adding to 20011100222 its reverse (22200111002), we get a palindrome (42211211224).

It can be divided in two parts, 200111002 and 22, that multiplied together give a palindrome (4402442044).

The spelling of 20011100222 in words is "twenty billion, eleven million, one hundred thousand, two hundred twenty-two".