111203312301 has 6 divisors (see below), whose sum is σ = 160627006670. Its totient is φ = 74135541528.

The previous prime is 111203312293. The next prime is 111203312323. The reversal of 111203312301 is 103213302111.

111203312301 is a `hidden beast` number, since 1 + 11 + 20 + 331 + 2 + 301 = 666.

It can be written as a sum of positive squares in only one way, i.e., 110523667401 + 679644900 = 332451^2 + 26070^2 .

It is not a de Polignac number, because 111203312301 - 2³ = 111203312293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111203312371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6177961786 + ... + 6177961803.

Almost surely, 2^111203312301 is an apocalyptic number.

It is an amenable number.

111203312301 is a deficient number, since it is larger than the sum of its proper divisors (49423694369).

111203312301 is a wasteful number, since it uses less digits than its factorization.

111203312301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12355923595 (or 12355923592 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 111203312301 its reverse (103213302111), we get a palindrome (214416614412).

The spelling of 111203312301 in words is "one hundred eleven billion, two hundred three million, three hundred twelve thousand, three hundred one".