111402221241105 has 20 divisors (see below), whose sum is σ = 199698796595892. Its totient is φ = 59414517995040.

The previous prime is 111402221241079. The next prime is 111402221241107. The reversal of 111402221241105 is 501142122204111.

It is a happy number.

111402221241105 is a `hidden beast` number, since 1 + 1 + 1 + 402 + 2 + 2 + 1 + 241 + 10 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22053618192384 + 89348603048721 = 4696128^2 + 9452439^2 .

It is not a de Polignac number, because 111402221241105 - 2⁴³ = 102606128218897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (111402221241107) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 137533606066 + ... + 137533606875.

Almost surely, 2^{111402221241105} is an apocalyptic number.

111402221241105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111402221241105 is a deficient number, since it is larger than the sum of its proper divisors (88296575354787).

111402221241105 is an equidigital number, since it uses as much as digits as its factorization.

111402221241105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275067212958 (or 275067212949 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

Adding to 111402221241105 its reverse (501142122204111), we get a palindrome (612544343445216).

The spelling of 111402221241105 in words is "one hundred eleven trillion, four hundred two billion, two hundred twenty-one million, two hundred forty-one thousand, one hundred five".