1111123120201 has 8 divisors (see below), whose sum is σ = 1122109014600. Its totient is φ = 1100184275328.

The previous prime is 1111123120193. The next prime is 1111123120223. The reversal of 1111123120201 is 1020213211111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4671585801 + 1106451534400 = 68349^2 + 1051880^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111123120201 - 2³ = 1111123120193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111123120501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11714916 + ... + 11809381.

It is an arithmetic number, because the mean of its divisors is an integer number (140263626825).

Almost surely, 2^{1111123120201} is an apocalyptic number.

It is an amenable number.

1111123120201 is a deficient number, since it is larger than the sum of its proper divisors (10985894399).

1111123120201 is a wasteful number, since it uses less digits than its factorization.

1111123120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23524763.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1111123120201 its reverse (1020213211111), we get a palindrome (2131336331312).

The spelling of 1111123120201 in words is "one trillion, one hundred eleven billion, one hundred twenty-three million, one hundred twenty thousand, two hundred one".