111130221301 has 6 divisors (see below), whose sum is σ = 122151400406. Its totient is φ = 101027473800.

The previous prime is 111130221299. The next prime is 111130221311. The reversal of 111130221301 is 103122031111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 72576898801 + 38553322500 = 269401^2 + 196350^2 .

It is not a de Polignac number, because 111130221301 - 2¹ = 111130221299 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 (111130221311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 459215670 + ... + 459215911.

Almost surely, 2^111130221301 is an apocalyptic number.

111130221301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111130221301 is a deficient number, since it is larger than the sum of its proper divisors (11021179105).

111130221301 is an equidigital number, since it uses as much as digits as its factorization.

111130221301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918431603 (or 918431592 counting only the distinct ones).

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

Adding to 111130221301 its reverse (103122031111), we get a palindrome (214252252412).

The spelling of 111130221301 in words is "one hundred eleven billion, one hundred thirty million, two hundred twenty-one thousand, three hundred one".