111322110220201 has 4 divisors (see below), whose sum is σ = 115160803676100. Its totient is φ = 107483416764304.

The previous prime is 111322110220193. The next prime is 111322110220207. The reversal of 111322110220201 is 102022011223111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67254432774400 + 44067677445801 = 8200880^2 + 6638349^2 .

It is a cyclic number.

It is not a de Polignac number, because 111322110220201 - 2³ = 111322110220193 is a prime.

It is a super-2 number, since 2×111322110220201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111322110220207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919346727906 + ... + 1919346727963.

It is an arithmetic number, because the mean of its divisors is an integer number (28790200919025).

Almost surely, 2^{111322110220201} is an apocalyptic number.

It is an amenable number.

111322110220201 is a deficient number, since it is larger than the sum of its proper divisors (3838693455899).

111322110220201 is an equidigital number, since it uses as much as digits as its factorization.

111322110220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838693455898.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 111322110220201 its reverse (102022011223111), we get a palindrome (213344121443312).

The spelling of 111322110220201 in words is "one hundred eleven trillion, three hundred twenty-two billion, one hundred ten million, two hundred twenty thousand, two hundred one".