111222202011201 has 12 divisors (see below), whose sum is σ = 160655011367760. Its totient is φ = 74147802563160.

The previous prime is 111222202011143. The next prime is 111222202011289. The reversal of 111222202011201 is 102110202222111.

111222202011201 is a `hidden beast` number, since 1 + 1 + 122 + 220 + 201 + 120 + 1 = 666.

It is not a de Polignac number, because 111222202011201 - 2³¹ = 111220054527553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111222202081201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25546291 + ... + 29581368.

It is an arithmetic number, because the mean of its divisors is an integer number (13387917613980).

Almost surely, 2^{111222202011201} is an apocalyptic number.

It is an amenable number.

111222202011201 is a deficient number, since it is larger than the sum of its proper divisors (49432809356559).

111222202011201 is a wasteful number, since it uses less digits than its factorization.

111222202011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55351836 (or 55351833 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111222202011201 its reverse (102110202222111), we get a palindrome (213332404233312).

The spelling of 111222202011201 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred two million, eleven thousand, two hundred one".