111222011200011 has 32 divisors (see below), whose sum is σ = 155561232076800. Its totient is φ = 70601444850816.

The previous prime is 111222011199997. The next prime is 111222011200063. The reversal of 111222011200011 is 110002110222111.

It is a happy number.

It is not a de Polignac number, because 111222011200011 - 2²¹ = 111222009102859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111222011201011) 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, 47633550 + ... + 49913916.

It is an arithmetic number, because the mean of its divisors is an integer number (4861288502400).

Almost surely, 2^{111222011200011} is an apocalyptic number.

111222011200011 is a deficient number, since it is larger than the sum of its proper divisors (44339220876789).

111222011200011 is a wasteful number, since it uses less digits than its factorization.

111222011200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289803.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111222011200011 its reverse (110002110222111), we get a palindrome (221224121422122).

The spelling of 111222011200011 in words is "one hundred eleven trillion, two hundred twenty-two billion, eleven million, two hundred thousand, eleven".