111023101201 has 4 divisors (see below), whose sum is σ = 111054529332. Its totient is φ = 110991673072.

The previous prime is 111023101193. The next prime is 111023101207. The reversal of 111023101201 is 102101320111.

It is a happy number.

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 43931740801 + 67091360400 = 209599^2 + 259020^2 .

It is a cyclic number.

It is not a de Polignac number, because 111023101201 - 2³ = 111023101193 is a prime.

It is a super-2 number, since 2×111023101201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111023101207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15708766 + ... + 15715831.

It is an arithmetic number, because the mean of its divisors is an integer number (27763632333).

Almost surely, 2^111023101201 is an apocalyptic number.

It is an amenable number.

111023101201 is a deficient number, since it is larger than the sum of its proper divisors (31428131).

111023101201 is an equidigital number, since it uses as much as digits as its factorization.

111023101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31428130.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111023101201 its reverse (102101320111), we get a palindrome (213124421312).

The spelling of 111023101201 in words is "one hundred eleven billion, twenty-three million, one hundred one thousand, two hundred one".