111011222220201 has 24 divisors (see below), whose sum is σ = 161000689824000. Its totient is φ = 73707215803200.

The previous prime is 111011222220187. The next prime is 111011222220209. The reversal of 111011222220201 is 102022222110111.

111011222220201 is a `hidden beast` number, since 1 + 1 + 10 + 11 + 222 + 220 + 201 = 666.

It is not a de Polignac number, because 111011222220201 - 2¹⁸ = 111011221958057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111011222220209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5923845 + ... + 16034786.

It is an arithmetic number, because the mean of its divisors is an integer number (6708362076000).

Almost surely, 2^{111011222220201} is an apocalyptic number.

It is an amenable number.

111011222220201 is a deficient number, since it is larger than the sum of its proper divisors (49989467603799).

111011222220201 is a wasteful number, since it uses less digits than its factorization.

111011222220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21960917 (or 21960914 counting only the distinct ones).

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

Adding to 111011222220201 its reverse (102022222110111), we get a palindrome (213033444330312).

The spelling of 111011222220201 in words is "one hundred eleven trillion, eleven billion, two hundred twenty-two million, two hundred twenty thousand, two hundred one".