22012200111 has 16 divisors (see below), whose sum is σ = 32185387008. Its totient is φ = 13270876800.

The previous prime is 22012200097. The next prime is 22012200113. The reversal of 22012200111 is 11100221022.

It is not a de Polignac number, because 22012200111 - 2²⁵ = 21978645679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012200113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1739866 + ... + 1752471.

It is an arithmetic number, because the mean of its divisors is an integer number (2011586688).

Almost surely, 2^22012200111 is an apocalyptic number.

22012200111 is a deficient number, since it is larger than the sum of its proper divisors (10173186897).

22012200111 is a wasteful number, since it uses less digits than its factorization.

22012200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492542.

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

Adding to 22012200111 its reverse (11100221022), we get a palindrome (33112421133).

The spelling of 22012200111 in words is "twenty-two billion, twelve million, two hundred thousand, one hundred eleven".