111222021003201 has 12 divisors (see below), whose sum is σ = 160656473597412. Its totient is φ = 74146886343936.

The previous prime is 111222021003113. The next prime is 111222021003227. The reversal of 111222021003201 is 102300120222111.

111222021003201 is a `hidden beast` number, since 1 + 112 + 2 + 20 + 210 + 0 + 320 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28167688040976 + 83054332962225 = 5307324^2 + 9113415^2 .

It is not a de Polignac number, because 111222021003201 - 2¹⁰ = 111222021002177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111222021003281) 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, 93346636 + ... + 94530621.

It is an arithmetic number, because the mean of its divisors is an integer number (13388039466451).

Almost surely, 2^{111222021003201} is an apocalyptic number.

It is an amenable number.

111222021003201 is a deficient number, since it is larger than the sum of its proper divisors (49434452594211).

111222021003201 is a wasteful number, since it uses less digits than its factorization.

111222021003201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187943040 (or 187943037 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111222021003201 its reverse (102300120222111), we get a palindrome (213522141225312).

The spelling of 111222021003201 in words is "one hundred eleven trillion, two hundred twenty-two billion, twenty-one million, three thousand, two hundred one".