111231201301 has 16 divisors (see below), whose sum is σ = 126633259008. Its totient is φ = 96711828400.

The previous prime is 111231201299. The next prime is 111231201311. The reversal of 111231201301 is 103102132111.

It is a happy number.

It is not a de Polignac number, because 111231201301 - 2¹ = 111231201299 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 (111231201311) 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 15 ways as a sum of consecutive naturals, for example, 2883000 + ... + 2921326.

It is an arithmetic number, because the mean of its divisors is an integer number (7914578688).

Almost surely, 2^111231201301 is an apocalyptic number.

111231201301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111231201301 is a deficient number, since it is larger than the sum of its proper divisors (15402057707).

111231201301 is a wasteful number, since it uses less digits than its factorization.

111231201301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49832.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111231201301 its reverse (103102132111), we get a palindrome (214333333412).

The spelling of 111231201301 in words is "one hundred eleven billion, two hundred thirty-one million, two hundred one thousand, three hundred one".