22011200222011 has 32 divisors (see below), whose sum is σ = 29555598901248. Its totient is φ = 15831107303040.

The previous prime is 22011200221993. The next prime is 22011200222027. The reversal of 22011200222011 is 11022200211022.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22011200222011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22011200220011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13447321 + ... + 14995093.

It is an arithmetic number, because the mean of its divisors is an integer number (923612465664).

Almost surely, 2^{22011200222011} is an apocalyptic number.

22011200222011 is a deficient number, since it is larger than the sum of its proper divisors (7544398679237).

22011200222011 is a wasteful number, since it uses less digits than its factorization.

22011200222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562011.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22011200222011 its reverse (11022200211022), we get a palindrome (33033400433033).

The spelling of 22011200222011 in words is "twenty-two trillion, eleven billion, two hundred million, two hundred twenty-two thousand, eleven".