111011222222201 has 16 divisors (see below), whose sum is σ = 128316487648128. Its totient is φ = 94070386368000.

The previous prime is 111011222222177. The next prime is 111011222222237. The reversal of 111011222222201 is 102222222110111.

It is a de Polignac number, because none of the positive numbers 2^k-111011222222201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111011222222101) 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, 116178935 + ... + 117130556.

It is an arithmetic number, because the mean of its divisors is an integer number (8019780478008).

Almost surely, 2^{111011222222201} is an apocalyptic number.

It is an amenable number.

111011222222201 is a deficient number, since it is larger than the sum of its proper divisors (17305265425927).

111011222222201 is a wasteful number, since it uses less digits than its factorization.

111011222222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233310272.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111011222222201 its reverse (102222222110111), we get a palindrome (213233444332312).

The spelling of 111011222222201 in words is "one hundred eleven trillion, eleven billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred one".